In this task, you are given a context tweet, a question and corresponding answer of given question. Your task is to classify given passage into two categories: (1) "yes" if the given context is useful in answering the question, and (2) "no" if the given context is not useful.

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

A: yes
****
Q: Context: Daniel Handler's racist "humor" at the NBAs last night is not okay and I am shocked that so few people are talking about it.— Roxane Gay (@rgay) November 20, 2014 Question: where last night did daniel handler have racist "humor"? Answer: at the nbas

A: yes
****
Q: Context: AP Top 25 @AP_Top25Swanigan leads No. 21 Purdue past Penn State 77-52 , 7:52:05 PM Question: purdue passed what team with a score of 77-52? Answer: penn state

A:
yes
****