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.

Q: Context: Crowd joins choir at #MikeBrown's funeral, singing & dancing to hymn, ""Every Praise." Eliott C. McLaughlin (@EliottCNN) August 25, 2014 Question: what knocked a house off its foundation? Answer: a mudslide

A: no
****
Q: Context: I just talked to my mother in #Tehran. She was crying out of joy. Prayed for all youths, for Iran & all of us. Bless my mother! #IranDeal— CameliaEntekhabifard (@CameliaFard) July 14, 2015 Question: why was mother crying Answer: out of joy

A: yes
****
Q: Context: Gotta love how well he avoids the defense #NFLDraft RT @SInow: And with the first pick in the draft, the @TBBuccaneers pick the white llama.— Tampa Bay Buccaneers (@TBBuccaneers) February 26, 2015 Question: what toy is referenced? Answer: dolls

A:
no
****