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.

Context: I am sleeping now Mr @realdonaldtrump I give you until morning to tell me if you will help Syrian children or not. Bye— Bana Alabed (@AlabedBana) January 26, 2017 Question: who established earth wind and fire? Answer: maurice white.
no

Context: Katy Perry's Halftime in a nutshell Travis Lattner (@TLatt7) February 2, 2015 Question: what is this twitter page currently discussing Answer: katy perry's halftime show
yes

Context: KellyAnne Conway setting all sorts of fashion trends for the # Michael Moran (@TheMichaelMoran) January 20, 2017 Question: what tv show did he just watch? Answer: modern family

no