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: Mr Cohen, I would not be surprised is Hillary is somehow behind this. Clinton's play dirty tricks when desperate. californiagirl*10 (@natashalarebel) January 2, 2016 Question: who is this tweet about? Answer: hillary clinton
Example Output: yes

Example Input: Context: InsideHoops.com NBA @InsideHoopsReggie Jackson returned to action for Detroit Pistons today, in a loss to Orlando Magic: , 2:24:08 AM Question: what detroit pistons player returned in a game against orlando? Answer: reggie jackson
Example Output: yes

Example Input: Context: #MandelaMeans Making a country shine like a star full of example. Showing a continent the power of peace, freedom & equality for all.— Tito Ngoma (@TitoOnDeck) July 17, 2012 Question: what is the title of the song mentioned? Answer: dancing in your head
Example Output:
no