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.

Ex Input:
Context: Smh. Damn... RIP to my man Chinx Drugs. May the whole RRS and Far Rock stay strong for him & his family. Salute. #RIPChinx— Skyzoo (@skyzoo) May 17, 2015 Question: what two people did skyzoo say he hopes stay strong? Answer: rrs and far rock

Ex Output:
yes


Ex Input:
Context: America is strongest when we unite & celebrate our diversity. When we promote those values abroad & live them here at home. #loveislove— Elizabeth Warren (@elizabethforma) June 12, 2016 Question: who did elizabeth banks say never made a movie with a female lead? Answer: steven spielberg

Ex Output:
no


Ex Input:
Context: Just beat a robot at beer pong. #CES2015 #onlyinVegas Ryan Owens (@RPOwens) January 7, 2015 Question: who did ryan owens beat at a game of beer pong at ces 2015? Answer: a robot

Ex Output:

yes