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: @MayorMark its all fun and games now wait until we are old enough to vote #lastlaugh Dylan (@DFPFilms1) March 4, 2015 Question: who has agreed to join @arsenal? Answer: alexis sanchez

Ex Output:
no

Ex Input:
Context: #Iraq-i counter-Terrorism Sargent fires and SPG9 rocket targeting #ISIS militants in #Bartella town east of #Mosul. Hamdi (@HamdiAlkhshali) October 20, 2016 Question: what did comedy lose? Answer: comedians dick gregory & jerry lewis.

Ex Output:
no

Ex Input:
Context: Thank you to all those who have sent me lovely messages of support. You've helped drown out the bigots & empowered me to keep fighting. Mariam Veiszadeh (@MariamVeiszadeh) February 26, 2015 Question: who is choosing to finish their lives? Answer: oliversacks

Ex Output:
no