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 my opinion the firearm shown in the surveillance stills is a glock pistol" witness testifies @susancandiotti Lawrence Crook (@LawrenceCNN) March 11, 2015 Question: who brought down the house at the super bowl party? Answer: macklemore
Example Output: no

Example Input: Context: And #GLORY wins. Look at those smiling faces. Common and Legend are masters with words. What a powerful Oscar moment. #SelmaIsNOW— Dine Alone Records (@dinealonemusic) February 23, 2015 Question: which music record won its oscar? Answer: glory
Example Output: yes

Example Input: Context: Ken Rosenthal @Ken_RosenthalSource: Phillips trade from #Reds to #Braves expected to be done tomorrow. CIN will pay most of Phillips’ $14M salary in 2017, save some $$.2/12/2017, 5:03:59 AM Question: what is amy saying to vulture? Answer: she would love her.
Example Output:
no