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: 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: Onto a 20th lap of @Circuitcat_eng for @LewisHamilton - he's made of tough stuff this fella! #F1 MERCEDES AMG F1 (@MercedesAMGF1) February 20, 2015 Question: where has jessica cheung been since last night Answer: mong kok

Ex Output:
no

Ex Input:
Context: so kendall jenner can walk out looking like this but miley can't cut her hair and stick out her tongue? ok rosetta. (@zarrymangina) February 14, 2014 Question: what country is blocking action against those committing war crimes? Answer: russia

Ex Output:
no