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: When you can take a selfie with three US Presidents, you do it!! — Tim Mickelson (@goodwalkspoiled) September 28, 2017 Question: how many us presidents did he take a selfie with? Answer: three

Ex Output:
yes


Ex Input:
Context: Mariah Carey goes on her balcony enjoying the cool air, the sound of "All I Want For Christmas" plays in her head. "Soon," she whispers.— Frank Lowe (@GayAtHomeDad) November 6, 2014 Question: what sound is playing? Answer: all i want for christmas

Ex Output:
yes


Ex Input:
Context: #HILLARY2016 VOTE for the 1st female US president in history. This country could use a little rock n' roll. 🇺🇸🙏🏽🤘🏽 Lady Gaga (@ladygaga) June 7, 2016 Question: how many drowned in the mediterranean? Answer: three

Ex Output:

no