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: I'm impatiently sitting by the phone to see if I get hired as the voice of #PizzaRat— Gilbert Gottfried (@RealGilbert) September 21, 2015 Question: who auditioned for pizza rat? Answer: gilbert gottfried

Ex Output:
yes


Ex Input:
Context: We are Brazil #cnnireport #cnn #globonews #vemprarua #acordabrasil #alive #avenidapaulista #saopaulo Flavio Edreira (@flavioedreira) March 17, 2016 Question: what did the author wish upon robin williams? Answer: to rest in peace.

Ex Output:
no


Ex Input:
Context: Yessir "BubbaClaus" da single drops today!! #urwelcome bubba watson (@bubbawatson) December 16, 2014 Question: what do we want to see? Answer: suarez at the world cup

Ex Output:

no