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: Mary Berry's diet never fails to surprise us... #BakeOffHighlights #GBBOFinal British Bake Off (@BritishBakeOff) October 26, 2016 Question: what did the prime minister share with narendra? Answer: some very emotional things

Ex Output:
no

Ex Input:
Context: i will say this only once:taylor swift is not in the slytherin house, she just has slytherin friends yung sweet lassi (@andnowtothemoon) August 21, 2017 Question: how do they get sorted? Answer: the sorting hat, first day

Ex Output:
yes

Ex Input:
Context: Here's my 1 cents. I REALLY hope Chris Rock does NOT pull out of the Oscar hosting gig. It's so important that he's on the mic that nite. 🃏 Arsenio Hall (@ArsenioHall) January 20, 2016 Question: why will paul find a solution? Answer: for the good of the party.

Ex Output:
no