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: RIP #OrnetteColeman: "Dancing in Your Head," live: Kurt Loder (@kurt_loder) June 11, 2015 Question: what is the title of the song mentioned? Answer: dancing in your head

Ex Output:
yes


Ex Input:
Context: Missiles flying. Rubio's happy. McCain ecstatic. Hillary's on board. A complete policy change in 48 hrs.— Laura Ingraham (@IngrahamAngle) April 7, 2017 Question: what were sen scott brown and sheriff hilliard doing? Answer: canoeing

Ex Output:
no


Ex Input:
Context: Chip: "We didn't coach well. we didn't do anything well." — Reuben Frank (@RoobCSN) November 26, 2015 Question: who was the author of the tweet? Answer: reuben frank

Ex Output:

yes