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: Yep. Beyoncé. Get the best #Hillary2016 moments delivered to your inbox—sign up for The Feed: Hillary Clinton (@HillaryClinton) May 19, 2015 Question: what error did she make Answer: typo

Ex Output:
no


Ex Input:
Context: #RedCross preparing a boat loaded with tarpaulins, set to sail for Nui tomorrow #CyclonePam @Federation New Zealand RedCross (@NZRedCross) March 19, 2015 Question: what kind of products is the red cross taking to nui? Answer: tarpaulins

Ex Output:
yes


Ex Input:
Context: RIP Leonard Nimoy. So many of us at NASA were inspired by Star Trek. Boldly go... c NASA (@NASA) February 27, 2015 Question: who is being mourned by nasa? Answer: leonard nimoy.

Ex Output:

yes