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: As a society, we should never stigmatize women for breastfeeding in public. Bernie Sanders (@BernieSanders) March 3, 2016 Question: what did trump do investigation for? Answer: voter fraud
[EX A]: no

[EX Q]: Context: Senator Bob Corker "begged" me to endorse him for re-election in Tennessee. I said "NO" and he dropped out (said he could not win without...— Donald J. Trump (@realDonaldTrump) October 8, 2017 Question: what chat was this author partaking in? Answer: #cnnafrica
[EX A]: no

[EX Q]: Context: These convos aren't sourced enough 4 me to report as fact. But I've heard enough to believe "the wind is blowing" LJ back home. We'll see...— Chris Broussard (@Chris_Broussard) July 7, 2014 Question: who knows what shoes they will go on? Answer: the lord
[EX A]:
no