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: So @piersmorgan describes #RachelJeanel as "one smart cookie". Sure, it certainly explains why the 19yr. old is still in high school. — Larry Elder (@larryelder) July 16, 2013 Question: where is this mcdonald's secret menu at? Answer: uk
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: Slightly nervous #switzerland Roger Federer (@rogerfederer) July 1, 2014 Question: who does jeb need to do better than Answer: hillary

no