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.

Input: Consider 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

Output: no


Input: Consider Input: Context: worst thing abt being on west coast: waiting 3 hrs to see spectacular men"s swim relay+having to avoid twitter et al to insure suspense.— Bill Carter (@wjcarter) August 8, 2016 Question: how is the men's swim relay described? Answer: spectacular.

Output: yes


Input: Consider Input: Context: kylie jenner being announced pregnant before the kuwtk 10 year anniversary...kris jenner works in mysterious ways esther (@estheritax) September 22, 2017 Question: what animal was in distress? Answer: a horse.


Output: no