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.

Q: Context: Sigh. Because I'm still having to use the block button for hateful messages. #YesAllWomen— Amber Naslund (@AmberCadabra) May 26, 2014 Question: what is amber using to stop hateful messages Answer: the block button

A: yes
****
Q: 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

A: no
****
Q: Context: #NepalEarthquake Inside of C-17 aircraft being readied for take off for Nepal with rescue personnel and load. Sitanshu Kar (@SpokespersonMoD) April 25, 2015 Question: who joined vogue100 exhibition? Answer: two dutchess of cambridge

A:
no
****