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: ブラッシングしながらホント冬の狸ってまんまるに見えるなーと思い撮影したはずなのに、何故かごにょごにょ中にいきなり布団を引っぺがされたような姿に写っていているタヌキでした。 ことり (@chibi_tori) January 23, 2016 Question: who was katy perry endorsing in her tweet? Answer: hillary clinton

Ex Output:
no


Ex Input:
Context: @davidlorr @CEO It's not fun & viral if a corporation claims to have orchestrated it. There's 0% chance Target would allow Breakr to speak— Dan Fleyshman (@DanFleyshman) November 5, 2014 Question: who is the 1st woman astronaut? Answer: eileen collins

Ex Output:
no


Ex Input:
Context: More than just Tweets which these savages won't get we need human chains of willing Durbanites standing in defence of immigrants— jeff moloi (@jeffersohn) April 16, 2015 Question: who are the people forming defenses to protect? Answer: immigrants

Ex Output:

yes