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: Worth saying again: it is DRY dry out here. Lots of fields like this. Plowing the dust. #endangeredriver #cadrought John D. Sutter (@jdsutter) June 19, 2014 Question: what is john's concern about california? Answer: that they're having a major drought.

Ex Output:
yes

Ex Input:
Context: Pres Obama recited poem on Bradlee by Sen Moynihan: "O rare Ben Bradlee/His reign has ceased/But his nation stands/Its strength increased." Mark Knoller (@markknoller) October 22, 2014 Question: who is a total loser? Answer: karl rove

Ex Output:
no

Ex Input:
Context: We had a great News Conference at Trump Tower today. A couple of FAKE NEWS organizations were there but the people truly get what's going on Donald J. Trump (@realDonaldTrump) January 12, 2017 Question: where is mopping up happening? Answer: gwoza and her suburbs

Ex Output:
no