In this task, you are given a context tweet and an answer. Your job is to generate a question for the given answer based on the given tweet paragraph. Note that your question should be answerable based on the given tweet, and the answer to your question should be the given answer.

Context: Loved the opportunity to hang out with the troops today. Thank you for your service to our country. Ben Garland (@BenGarland63) November 13, 2012 Answer: for their service.
why does the author thank the troops?

Context: Around The NFL @AroundTheNFLSuper Debate: Who should win Comeback Player of the Year? , 7:40:44 PM Answer: football.
what sport is around the nfl debating about?

Context: Detroiter walks 21 miles in work commute Detroit Free Press (@freep) February 1, 2015 Answer: work commute
why did he walk 21 miles?