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: i will say this only once:taylor swift is not in the slytherin house, she just has slytherin friends— yung sweet lassi (@andnowtothemoon) August 21, 2017 Question: how do they get sorted? Answer: the sorting hat, first day

Ex Output:
yes


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: Have to wait a few minutes on the runway for technical checks. Typical for experimental airplane such @solarimpulse André Borschberg (@andreborschberg) March 9, 2015 Question: what did cassidy and wilson do together? Answer: write songs

Ex Output:

no