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: Félicitations @AS_Monaco ! On se voit peut être en 1/4 de finale pour un nouveau #SommetdElegance #ASMARS ;-) PSG Officiel (@PSG_inside) March 17, 2015 Question: who posted this tweet? Answer: psg officiel

Ex Output:
yes


Ex Input:
Context: Moving to @ManUtd was my decision. It's exciting to play at the world's best club and in such a competitive league.— Radamel Falcao (@FALCAO) September 2, 2014 Question: who had a way about him? Answer: paul walker

Ex Output:
no


Ex Input:
Context: must have hats to get lucky— Pharrell's Hat (@Pharrellhat) January 27, 2014 Question: how many are there in this tweet? Answer: one

Ex Output:

no