Given the task definition and input, reply with output. 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: Swimming is a major part of my life, but right now I need to focus my attention on me as an individual, Michael Phelps (@MichaelPhelps) October 5, 2014 Answer: swimming
what is a major part of his life?