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: Few people could get diagnosed with cancer and immediately think of others instead of themselves.Julia Louis-Dreyfus is such a powerhouse. Adam Best (@adamcbest) September 28, 2017 Question: what is iggy azalea ready with? Answer: her music

Ex Output:
no


Ex Input:
Context: I'm all about that base. Reached the base layer of Mt Sharp. New science ahead! Curiosity Rover (@MarsCuriosity) September 11, 2014 Question: what is the tweeter all about? Answer: the base

Ex Output:
yes


Ex Input:
Context: "We need to provide space for business at the table" @WFPErtharin at Scaling Up Nutrition breakfast meeting -- #WEF15 World Food Programme (@WFP) January 22, 2015 Question: what meal was the scaling up nutrition meeting during? Answer: breakfast

Ex Output:

yes