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.
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Question: Context: NTSB Has secured outward-facing video from the SEPTA train in question and will be reviewing radio transmissions. #Amtrak— NTSB (@NTSB) May 15, 2015 Answer: outward facing video from the septa train

Answer: what does ntsb have in their possession?


Question: Context: Kurt Helin @basketballtalkBrilliant dig: Knicks fans chant “Derek Fisher” as Kings’ Matt Barnes inbounds ball , 4:18:07 AM Answer: derek fisher

Answer: what are the fans chanting?


Question: Context: Yessir "BubbaClaus" da single drops today!! #urwelcome bubba watson (@bubbawatson) December 16, 2014 Answer: bubbaclaus

Answer:
what is the name of the single?