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: "theres also an asteroid that's going to kill everyone in september" MOM STAY OFF THE INTERNET. *sigh*— Foxena (@Foxena) August 18, 2015 Answer: his mom.

SOLUTION: who is the poster quoting?

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: Spotted along Obama motorcade route in Denver: Bearded dude holding "Free weed 4 Obama" sign— Steve Holland (@steveholland1) July 9, 2014 Answer: free weed 4 obama

SOLUTION:
what did his sign say?