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 Q]: Context: Appreciated joining @POTUS for meeting with the Freedom Caucus again today. This is it. # Vice President Pence (@VP) March 23, 2017 Question: who did potus meet with? Answer: freedom caucus
[EX A]: yes

[EX Q]: 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 A]: yes

[EX Q]: Context: What I really missed in Cuba . . . Alan P. Gross (@AlanPGross) February 12, 2015 Question: who missed something in cuba? Answer: alan p gross
[EX A]:
yes