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: Caitlyn Jenner takes NYC by storm Page Six (@PageSix) June 30, 2015 Question: who is she proud of? Answer: bruce, her dad.

Ex Output:
no


Ex Input:
Context: Yessir "BubbaClaus" da single drops today!! #urwelcome bubba watson (@bubbawatson) December 16, 2014 Question: who were they brought in by? Answer: parents

Ex Output:
no


Ex Input:
Context: 200 people at #chicago Mayor Rahm Emanuel's office protesting police handling of black men. #ferguson #cnn billkirkos (@KirkosBill) November 25, 2014 Question: how many people protested at rahm emanuel's office? Answer: 200 people

Ex Output:

yes