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: When your friend go dancing with strangers at the club and u just don’t know what to do # Triyoncé (@tribranchvo) February 5, 2018 Question: what did katy perry do in a living room? Answer: help deliver babies

Ex Output:
no


Ex 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

Ex Output:
yes


Ex Input:
Context: @USATOpinion@USATODAY No! No speaker at the #DemsInPhilly has addressed cop killings, isis, 94M unemployed, over taxation #tellusatoday— Wake Up America (@Wake2See) July 28, 2016 Question: who is working hard to replace the affordable healthcare act? Answer: republican senators.

Ex Output:

no