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 proud to stand with Gov. @mike_pence for religious liberty, and I urge Americans to do the same Ted Cruz (@tedcruz) March 31, 2015 Question: who is she trying to win against? Answer: studio head

Ex Output:
no

Ex Input:
Context: Im giving everyone involved 24 hours to make it right or the world will hear how I really feel. contactually Im not allowed to speak! Kelly Osbourne (@KellyOsbourne) February 24, 2015 Question: what is the dog's name? Answer: elka

Ex Output:
no

Ex Input:
Context: Delta continues with class. Stuck due to weather and the crew ordered everyone pizza. #deltaairlines Bill Wittenmyer (@BillyTheKidWitt) May 26, 2015 Question: what is appalling to diana b? Answer: kim kardashian looking like jackie o

Ex Output:
no