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: Although if we're honest, the Blair's Christmas card is still better than last year's effort Dean Burnett (@garwboy) December 1, 2014 Question: who decided to allow legal marriage for gays? Answer: the 4th circuit.

Ex Output:
no


Ex Input:
Context: So @Drake proves that kissing @Madonna is about as ghastly as I always imagined it would be: Piers Morgan (@piersmorgan) April 13, 2015 Question: how is it kissing madonna? Answer: ghastly

Ex Output:
yes


Ex Input:
Context: Syrian envoy to the UNSC uses a photo of Iraqi PMU helping a woman in Fallujah, Iraq and claims it's a photo of SAA in Syria. Kyle Glen (@KyleJGlen) December 13, 2016 Question: who said the quote contained in the tweet? Answer: ian poulter.

Ex Output:

no