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.

Input: Consider Input: Context: The first meeting. Prez @BarackObama escorts PM @narendramodi to the dinner at their 1st meeting in the White House. Syed Akbaruddin (@MEAIndia) September 30, 2014 Question: who is escorting pm @narendramodi? Answer: prez @barackobama

Output: yes

Input: Consider Input: Context: Uh oh! Dad showed up. No more fun anymore. ;-) @KelseyGrammer @twitter William Shatner (@WilliamShatner) July 1, 2014 Question: who did william shatner say showed up Answer: dad

Output: yes

Input: Consider Input: Context: If NFL fans refuse to go to games until players stop disrespecting our Flag & Country, you will see change take place fast. Fire or suspend! Donald J. Trump (@realDonaldTrump) September 24, 2017 Question: who epitomized what a "true pro" is? Answer: steve montador
Output: no