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: 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
[A]: what does ntsb have in their possession?

[Q]: Context: The #KayoolaSolarBus has just arrived at Kampala Serena ahead of its launch on Tuesday. Kiira Motors (@KiiraMotors) February 14, 2016 Answer: ahead of its launch on tuesday
[A]: when did the bus arrive?

[Q]: Context: Proud to take a knee, and to stand tall against social injustice." #takeaknee#medaloffreedom#NFL#BillRussell# TheBillRussell (@BillRus73270016) September 25, 2017 Answer: take a knee
[A]:
what was bill russell proud to do?