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: Police form circular wall. Reports of flag burning planned outside convention. Firefighters on scene # Tolly Taylor (@TollyTaylor) July 20, 2016 Question: what is planned outside the convention? Answer: flag burning

Ex Output:
yes


Ex Input:
Context: A frozen Bryant Park Fountain ⛲ #NYC @EverythingNYC Max Guliani (@maximusupinNYc) February 16, 2015 Question: where is this located? Answer: bryant park

Ex Output:

yes