TASK DEFINITION: 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.
PROBLEM: Context: Yellowstone River closed to ALL recreation in response to ongoing fish kill: Montana FWP (@MontanaFWP) August 19, 2016 Answer: yellowstone river

SOLUTION: what river was closed?

PROBLEM: Context: Katherine Webb doing her best impression of Stefon from SNL after McCarron's fumble. #SugarBowl #OUvsBama Jason Martinez (@JasonMartinezTV) January 3, 2014 Answer: katherine webb

SOLUTION: who is doing an impression of stefon from snl?

PROBLEM: Context: When trying to understand #GamerGate's useful idiots, remember that profoundly stupid people are incapable of knowing how stupid they are Wil SCREAMton (@wilw) October 23, 2014 Answer: gamer gate

SOLUTION:
what are they trying to understand?