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.

Q: Context: #IWishMyTeacherKnew how to do a backflip. Ss challenging me to learn new things. It's exciting! #ChallengeAccepted Cassie Norsworthy (@mrsnorsworthy) April 17, 2015 Answer: how to do a back flip.

A: what type of challenge was accepted?
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Q: Context: Some serious history doing the rounds here in #Monaco #historicgramdprix Amanda Davies (@AmandaJDavies) May 9, 2014 Answer: a car race.

A: what is the grand prix?
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Q: Context: To be more precise, no less than five police officers at LeBron James home. They were told to expect a 3:30 ET announcement. Sam Amico (@SamAmicoFSO) July 10, 2014 Answer: 3:30 et

A:
what time was law enforcement expecting an announcement?
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