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: @kelly_clarkson huge fan here and I think you are AMAZING! I also believe this ❤ Kindness Matters! Ayel Rocks Kindness (@AyelAyel23) July 5, 2017 Question: what food is mentioned? Answer: a donut

Ex Output:
no


Ex Input:
Context: Today there were terror attacks in Turkey, Switzerland and Germany - and it is only getting worse. The civilized world must change thinking!— Donald J. Trump (@realDonaldTrump) December 19, 2016 Question: who is being congratulated by riz? Answer: all the nominees

Ex Output:
no


Ex Input:
Context: This is awesome. Someone changed the Wikipedia page for the US Secretary of Defense to Tim Howard Josh Parcell (@JoshParcell) July 2, 2014 Question: what website's page is under discussion? Answer: wikipedia

Ex Output:

yes