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.

Example 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.
Example Output: no

Example Input: Context: .@SpeakerRyan on criticism that the GOP tax bill would benefit the wealthy over the middle-class. "I think minds are going to change." Good Morning America (@GMA) December 20, 2017 Question: what does alyssa milano say it's national call-in day for? Answer: dreamers.
Example Output: no

Example Input: Context: A9: You have a chance to build platforms, ecosystems and products for a unique market. You learn a lot! #CNNAfrica @cnnafricanstart— Juliana Rotich (@afromusing) January 14, 2015 Question: what does the a9 help you do? Answer: build platforms
Example Output:
yes