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: Thankful to be alive, full of admiration for the way Kenyan citizens responded, but concerned re ongoing terrorist threat. #Westgate6Months— Sarah Holmes (@holmespest) March 20, 2014 Question: what team is lbj leaning towards? Answer: heat
Example Output: no

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: Just Googled that #CindyCrawford unretouched photo and yes, that's what *real* women her age look like.— Cheryl Davies (@CherylDaviess) February 14, 2015 Question: who has an unretouched photo on google? Answer: cindy crawford
Example Output:
yes