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: 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

Ex Output:
no


Ex Input:
Context: Josh Martin @JoshMartinNBAAmong those catching T-shirts from cannons during timeout: Lawrence Frank, Clippers’ EVP of basketball ops12/5/2016, 4:58:04 AM Question: how long until the deadline passes? Answer: 24 hours.

Ex Output:
no


Ex Input:
Context: Met some of you #nolefam's yesterday. Autograph for a smile, hehe I think this exchange was in my favor. Novak Djokovic (@DjokerNole) August 14, 2014 Question: when did richard lawson tweet "ohh brother"? Answer: april 17, 2014

Ex Output:

no