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: Madiba has lived his life, it is for us to live the legacy. #FarewellTheeMadiba— Jakaya Kikwete (@jmkikwete) December 15, 2013 Question: what did kikwete say it is for us to do? Answer: live the legacy

Ex Output:
yes


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: "The Line". Maybe moved 100 ft in an hour + and made two arrests that we saw...but the street cleared #OneBaltimore Chris Cuomo (@ChrisCuomo) April 29, 2015 Question: how many arrests were made? Answer: two that we saw

Ex Output:

yes