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.

Example Input: Context: Google puts its best designer in charge of Google Glass, its biggest design problem. Nicholas Thompson (@nxthompson) January 15, 2015 Question: who did google put in charge of google glass? Answer: tony fadell
Example Output: yes

Example Input: Context: Sending all my love to my trans sisters who didn't get this sort of beautiful welcoming from the world. You deserve to be celebrated too. 💜 steph. (@femmemystique_) June 1, 2015 Question: who influences pop culture? Answer: black women
Example Output: no

Example Input: Context: SIGN OF THE (END?) TIMES I call B.S. No way could that weasel ride on that woodpecker's back. Not without a saddle. Walter Burton (@thewalterb) March 3, 2015 Question: who showed up to help? Answer: first responders.
Example Output:
no