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: I'm not saying LJ to Cavs is done deal or I know 4 a fact; just my gut feeling based on many conversations I've had around this story... Chris Broussard (@Chris_Broussard) July 7, 2014 Question: what alert is at level severe? Answer: french toast
Example Output: no

Example Input: Context: Alright Ladies , today i am inspired the women in tech in Africa came together despite tool fails to share and collaborate #WTechAfrica ethelcofie (@MissEDCofie) August 2, 2014 Question: who came together in africa? Answer: women in tech
Example Output: yes

Example Input: Context: Conservatives, do u not attribute lack of black Oscar winners to implicit racial bias? And if not, then what? Sally Kohn (@sallykohn) January 23, 2014 Question: who needs help wearing a jacket? Answer: ariana grande
Example Output:
no