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: US talks w/Saudi medieval regime, a stigma that won't be cleaned off US, on human rights of Iran--a country which is symbol of democracy!— Khamenei.ir (@khamenei_ir) June 12, 2017 Question: what sport did tweet refer to? Answer: tennis

Ex Output:
no


Ex Input:
Context: When your friend go dancing with strangers at the club and u just don’t know what to do # Triyoncé (@tribranchvo) February 5, 2018 Question: what did katy perry do in a living room? Answer: help deliver babies

Ex Output:
no


Ex Input:
Context: If Scott Pruitt is serious about serving as our next EPA Administrator, he should be more than willing to provide @EPWDems complete answers.— Senator Tom Carper (@SenatorCarper) February 1, 2017 Question: what was mike nichols occupation? Answer: artist

Ex Output:

no