instruction:
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.
question:
Context: History is made! #MontrealProtocol countries agree to curb powerful greenhouse gases in largest climate breakthrough since Paris. 🌍🌎🌏 UN Environment (@UNEP) October 15, 2016 Answer: curb greenhouse gases
answer:
what did @montrealprotocol countries agree to?


question:
Context: AP snapped an amazing photo of Chris Pronger squashing Justin Bieber into the boards: — Charlie Roumeliotis (@CRoumeliotis) January 28, 2017 Answer: chris pronger
answer:
who was squashing justin beiber against the boards?


question:
Context: Mary Berry's diet never fails to surprise us... #BakeOffHighlights #GBBOFinal British Bake Off (@BritishBakeOff) October 26, 2016 Answer: marry's berry diet
answer:

what surprises british bake off?