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: Working all the angles. Took this #selfie while investigating an area with hydrated minerals c Curiosity Rover (@MarsCuriosity) August 19, 2015 Question: what sport is creating more conspiracy theories? Answer: fifa

Ex Output:
no

Ex Input:
Context: Crowd joins choir at #MikeBrown's funeral, singing & dancing to hymn, ""Every Praise." Eliott C. McLaughlin (@EliottCNN) August 25, 2014 Question: who's talking in the video? Answer: john kasich

Ex Output:
no

Ex Input:
Context: When it rains at the #MTVawards, they give you ponchos. I am grateful. Carly Mallenbaum (@ThatGirlCarly) May 7, 2017 Question: what do they give them when it rains? Answer: ponchos

Ex Output:
yes