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: 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: @Colt3FIVE thanks for the sweet video.... looking forward to meeting you :)— Alexandra Raisman (@Aly_Raisman) August 21, 2016 Question: what is the person looking forward to? Answer: meeting colt3five

Ex Output:
yes


Ex Input:
Context: Gonna tweet some signs from the protest now. #YesAllDaughters — Steven Zoeller (@StevenZoeller) November 24, 2014 Question: what field does mack tweet about? Answer: stem

Ex Output:

no