Problem: Background: Jahlil Okafor (pronounced ; born December 15, 1995) is an American professional basketball player for the Brooklyn Nets of the National Basketball Association (NBA). He played his freshman season of college for the 2014-15 Duke national championship team. Okafor was heavily recruited since before high school and had been at the top of the recruiting rankings for several years. He played high school basketball in Chicago, Illinois for Whitney M. Young Magnet High School, where he earned high school national player of the year awards from McDonald's, USA Today and Parade.
Context: In October 2010, he successfully tried out for USA Basketball's 2011-12 USA Developmental National Team. In June 2011, he qualified for the 12-man United States team at the 2011 FIBA Americas Under-16 Championship along with Simeon rivals Parker and Nunn. In the gold medal game, Okafor made all of his field goal attempts posting 18 points and 14 rebounds. For the tournament, his 46 rebounds over 5 games ranked him second on the United States team (to Aaron Gordon) and third at the Championships in rebounding.  He was a member of USA Basketball's 12-man Team USA at the 2012 FIBA Under-17 World Championship with Parker and Nunn again. His listed height was 6 feet 11 inches (2.11 m). At a two-game four-team preliminary exhibition tournament in Las Palmas, Canary Islands the week before the championship began, he was named tournament MVP. He was also named MVP of the 2012 FIBA Under-17 World Championship for the gold medal-winning United States team. Okafor posted 17 points and 8 rebounds in the gold medal game. Over the course of the tournament, he was the second-leading scorer with 13.6 points per game and second-leading rebounder for the United States with 8.2 rebounds per game.  On May 21, 2013, USA Basketball announced the roster of 24 players, including Okafor, who had accepted invitations to the June 14-19, 2013, USA Basketball Men's U19 World Championship team training camp. The camp was used to select the 12-man team for the June 27 - July 7, 2013 FIBA Under-19 World Championship in Czech Republic. Okafor made the final roster that was announced on June 18. The team won the gold medal and Okafor made the All-Tournament team along with teammate and tournament MVP Gordon. He led the tournament with 77% field goal percentage, and he was the only player on the all tournament team who would return to high school. However, coaches Billy Donovan and Shaka Smart told him his weak link was his conditioning.
Question: What invitation did he accept?
Answer: USA Basketball Men's U19 World Championship team training camp. The camp was used to select the 12-man team

Problem: Background: Arijit Singh is an Indian musician, singer, composer, music producer, recordist and music programmer. He sings predominantly in Hindi and Bengali, but has also lent his voice to various other Indian languages. Singh is regarded as one of the most versatile and successful singers in the History of Indian Music and Hindi Cinema. At the start of his singing career, he received nominations for the Upcoming Male Vocalist of the Year award at the 2013 Mirchi Music Awards for renditions of "Phir Le Aya Dil" and "Duaa", winning the award for the latter.
Context: According to Singh, apart from being a singer, he is a badminton player, a writer, a movie freak and a documentary maker. He also likes cricket, football and his favourite sportsmen are Sachin Tendulkar, Lance Klusener and Jonty Rhodes. He is an ardent football fan, his favourite teams are Brazil and Argentina and favourite footballers are Lionel Messi, Thomas Muller. In Badminton, he likes Saina Nehwal.  Arijit enjoys listening to retro songs by Lata Mangeshkar, Mohammed Rafi and the classical and ghazal songs along with the music of Coldplay. He expressed his desire to work with artist Norah Jones someday as he loves her music. He says he is uncomfortable with all the attention that fame has brought. In a concert at Emaar Boulder Hills, he stated: "If I want to eat fish, I want to be free to go and buy it myself in the market. I don't like these interviews and photos."  Arijit completed shooting for his directorial debut in 2015. Titled Bhalobasar Rojnamcha, it is a Bengali feature film compiled with seven short films. Co-written by Singh, a work-in-progress version of the film has been sent to some film festivals abroad.  In a conversation with the Hindustan Times in the December 2016, Arijit said: "I have always aspired to become a musician and singer, I had gone through a lot of hard-work, but I am satisfied, the little share that I have got is because of hard-work. I had always liked living my life in a quiet and peaceful manner. My fans took a considerable amount of time to understand this fact. But with the rise of social media, it too had become difficult. Now I am always noticed and people try to reach out to me which is a different feeling. Overall, the change is positive. All of my fans are very supportive, which is very helpful for a singer."  In an interview given to Mid-day.com in the December 2016, Arijit said "Independent music in India needs to be redefined" and he is working on some "independent music projects" but he believes that Bollywood music overpowers independent music, and there is lack of infrastructure and platform for independent music in India, and it is difficult to produce it in India.
Question: What else did he work on
Answer:
"I have always aspired to become a musician and singer,