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: .@HillaryClinton brags about destroying coal country. Just when I thought she couldn't be anymore unqualified... Dr. Rand Paul (@RandPaul) March 14, 2016 Question: did bragging make her more or less qualified? Answer: more unqualified.

Ex Output:
yes


Ex Input:
Context: RIP PHIFE. DRINKING A DR PEPPER FOR U RIGHT NOW. Mac (@MacMiller) March 23, 2016 Question: what is andrew garfield being described as? Answer: gay

Ex Output:
no


Ex Input:
Context: EMTs and paramedics pronaunce 4 20 y/os dead. 15 wounded: one severly injured evacuated, four moderetly and 10 lightly Magen David Adom (@Mdais) January 8, 2017 Question: how many people were wounded? Answer: 15

Ex Output:

yes