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: Australia is a continent divided! After last night's episode, they are unable to decide between hashtags #TonyDumbDumb and #TonyDumDum.— Last Week Tonight (@LastWeekTonight) June 2, 2014 Question: when will they talk about nfl's? Answer: tomorrow

Ex Output:
no


Ex Input:
Context: @SamuelLJackson: Keep fighting and Stay Strong Strat! You can do it! #CapForStrat — Samuel L. Jackson (@SamuelLJackson) May 14, 2014 Question: who does jackson encourage? Answer: strat.

Ex Output:
yes


Ex Input:
Context: I am led to believe the tail section has been found. If right part of tail section then the black box should be there.— Tony Fernandes (@tonyfernandes) January 7, 2015 Question: what does stamkos throw? Answer: elbow pad

Ex Output:

no