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: Michael Chertoff on Jeff Sessions: I've found him "knowledgeable, smart, willing to engage and willing to listen" OutFrontCNN (@OutFrontCNN) November 19, 2016 Answer: jeff sessions

SOLUTION: who was michael chertoff talking about?

PROBLEM: Context: Door just opened at Saint Matthew. Lots of anticipation that #PopeFrancis is near. #PopeInDC Catherine Shoichet (@CatherineCNN) September 23, 2015 Answer: doors opened to see pope francis

SOLUTION: what is everyone excited about?

PROBLEM: Context: #Prince concert over. But before it ended he said every one pull out your phones and light it up and the crowd did Sara Sidner (@sarasidnerCNN) May 11, 2015 Answer: their phones

SOLUTION:
what did the crowd use to light up the space?