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: PM: "I'm delighted by the news that the Duke & Duchess of Cambridge are expecting a baby. They will make wonderful parents." #royalbaby— UK Prime Minister (@Number10gov) December 3, 2012 Question: is this clothing warmer or colder? Answer: warmer

Ex Output:
no


Ex Input:
Context: I watched parts of @nbcsnl Saturday Night Live last night. It is a totally one-sided, biased show - nothing funny at all. Equal time for us?— Donald J. Trump (@realDonaldTrump) November 20, 2016 Question: what show does donald trump think is one-sided? Answer: nbcsnl

Ex Output:
yes


Ex Input:
Context: stay ready, I am ecstatic to participate in a fun, athletic competition like so many players before me have done. Filming this (2/4)— Michael Sam (@MichaelSamNFL) February 24, 2015 Question: what is happening to aron's eyes? Answer: they are tearing up.

Ex Output:

no