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: #saopaulo #worldcup #naovaitercopa protest unveils huge banner from overpass - in English. Ben Tavener (@BenTavener) April 30, 2014 Question: how are the protesters protesting? Answer: huge banner from overpass

Ex Output:
yes


Ex Input:
Context: Terribly sad news about the passing of Alan Rickman. A funny and engaging person who put a shy young actor at ease when I was on HP.— Oliver Phelps (@OliverPhelps) January 14, 2016 Question: what puts women at risk and ties doctors' hands? Answer: this law does

Ex Output:
no


Ex Input:
Context: In my telephone conversation with Merkel, Hollande and Putin I stressed that the situation around Debaltseve was in breach of Minsk accords.— Петро Порошенко (@poroshenko) February 19, 2015 Question: what song is mc hammer referencing? Answer: just got paid

Ex Output:

no