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.

Ex Input:
Context: Sad to lose Nola @sandiegozoo Now only 3 northern white rhinos remain on our planet. #Nola4Ever #anthropocene. Edward Burtynsky (@edwardburtynsky) November 23, 2015 Answer: three

Ex Output:
how many northern white rhinos remain in existence?


Ex Input:
Context: We regret the mistaken RTs from our account yesterday and look forward to continuing to share the beauty and history of our parks with you NationalParkService (@NatlParkService) January 21, 2017 Answer: rt's

Ex Output:
what was mistaken in the account yesterday?


Ex Input:
Context: BREAKING: we flew 40'000km without fuel. It's a first for energy, take it further! #futureisclean SOLAR IMPULSE (@solarimpulse) July 26, 2016 Answer: 40,000 km

Ex Output:

how far did solar impulse fly without fuel?