Some context: Tropic Thunder is a 2008 black satirical action comedy film directed by Ben Stiller, who stars with Jack Black and Robert Downey Jr. as a group of prima donna actors who are making a fictional Vietnam War film. When their frustrated director drops them in the middle of a jungle, they are forced to rely on their acting skills to survive the real action and danger. The screenplay by Justin Theroux, Stiller, and Etan Cohen was from a story by Stiller and Theroux. The film was produced by Stuart Cornfeld, Stiller and Eric McLeod for Red Hour Productions and DreamWorks Pictures as an international co-production between the United States, Germany, and the United Kingdom.
Although Southern California and Mexico were considered for the main unit filming, the Hawaiian island of Kaua'i (where Stiller has a home) was selected for the majority of the shooting. Kaua'i was chosen over Mexico because a tax credit for in-state spending was negotiated with the Kaua'i Film Commission. John Toll, the cinematographer, stated the island was also selected for its similarity to Vietnam, based on its dense foliage, variety of terrains, and weather. Kaua'i was first scouted as a possible location to film Tropic Thunder in 2004. Stiller spent more than 25 hours over 6 weeks exploring the island, using all-terrain vehicles, boats, and helicopters. After the film was greenlit by DreamWorks in 2006, pre-production lasted for six months, most of this time spent on scouting additional locations for filming. Filming for the Los Angeles and interior scenes occurred on sets at Universal Studios in Hollywood.  Tropic Thunder was the first major studio production on Kaua'i in five years. After filming was completed, it was deemed the largest production filmed on the island to date, and contributed more than $60 million to the local economy. Tim Ryan, the executive editor of Hawaii Film & Video Magazine, commented on the filming on the island: "I think Tropic Thunder will give Kaua'i much needed and long idled publicity in the production arena ... It should put Kaua'i back on the production consideration radar." Preliminary production crews were on the island starting in December 2006 and principal photography began in July 2007, with filming lasting thirteen weeks over seven separate locations on the island. Much of the filming took place on private land as well as conservation status designated areas. Casting calls on the island sought 500 residents to portray the villagers in the film. Two units shot simultaneously on the island from the ground, and an aerial unit shot from helicopters. Many of the sets and the bridge used for one of the final scenes were built in three months. The island's erratic weather hampered filming with rain and lighting issues. The crew also faced complications in moving the equipment and cast due to the difficult terrain.  The film advising company Warriors Inc. was enlisted to ensure the war scenes, including the attire worn by the actors, looked authentic. Former members of the U.S. military taught the actors how to handle, fire, and reload their weapons, as well as perform various tactical movements. The opening war scene was filmed over three weeks and required fifty stuntmen. Animatics were used to map out the necessary camera angles for filming.
how long did it take to film
A: pre-production lasted for six months,
Some context: Yoko Ono (born February 18, 1933) is a Japanese multimedia artist, singer, songwriter, and peace activist who is also known for her work in performance art and filmmaking. She performs in both English and Japanese. She is known for being the second wife and widow of singer-songwriter John Lennon of the Beatles. Ono grew up in Tokyo and also spent several formative years in New York City.
Ono was born on February 18, 1933, in Tokyo, Japan, to Isoko Ono (Xiao Ye  Ji Zi , Ono Isoko) and Eisuke Ono (Xiao Ye  Ying Fu , Ono Eisuke), a wealthy banker and former classical pianist. Isoko's father was ennobled in 1915. Isoko's maternal grandfather Zenjiro Yasuda (An Tian  Shan Ci Lang , Yasuda Zenjiro) was an affiliate of the Yasuda clan and zaibatsu. Eisuke came from a long line of samurai warrior-scholars. The kanji translation of Yoko (Yang Zi ) means "ocean child."  Two weeks before Ono's birth, Eisuke was transferred to San Francisco by his employer, the Yokohama Specie Bank. The rest of the family followed soon after, with Ono meeting her father when she was two. Her younger brother Keisuke was born in December 1936. Ono was enrolled in piano lessons from the age of 4. In 1937, the family was transferred back to Japan and Ono enrolled at Tokyo's elite Gakushuin (also known as the Peers School), one of the most exclusive schools in Japan.  The family moved to New York City in 1940. The next year, Eisuke was transferred from New York City to Hanoi, and the family returned to Japan. Ono was enrolled in Keimei Gakuen, an exclusive Christian primary school run by the Mitsui family. She remained in Tokyo throughout World War II and the great fire-bombing of March 9, 1945, during which she was sheltered with other family members in a special bunker in Tokyo's Azabu district, far from the heavy bombing. Ono later went to the Karuizawa mountain resort with members of her family.  Starvation was rampant in the destruction that followed the Tokyo bombings; the Ono family were forced to beg for food while pulling their belongings with them in a wheelchair. Ono said it was during this period in her life that she developed her "aggressive" attitude and understanding of "outsider" status when children--who were once well-to-do--taunted her and her brother. Other stories tell of her mother bringing a large number of goods with them to the countryside, where they were bartered for food. In one anecdote, her mother traded a German-made sewing machine for 60 kilograms (130 lb) of rice to feed the family. During this time, Ono's father, who had been in Hanoi, was believed to be in a prisoner of war camp in China. However, unbeknownst the them, he remained in the city. Ono told Amy Goodman of Democracy Now on October 16, 2007, that "He was in French Indochina, which is Vietnam actually.... in Saigon. He was in a concentration camp."  By April 1946, Gakushuin was reopened and Ono re-enrolled. The school, located near the Tokyo Imperial Palace, had not been damaged by the war, and Ono found herself a classmate of Prince Akihito, the future emperor of Japan. She graduated in 1951 and was accepted into the philosophy program of Gakushuin University as the first woman to enter the department. However, she left the school after two semesters.
What are the names of Yoko Ono's parents?
A:
Isoko Ono (Xiao Ye  Ji Zi , Ono Isoko) and Eisuke Ono (Xiao Ye  Ying Fu , Ono Eisuke),