instruction:
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.
question:
Context: Philae:10 years in transitLanded on cometBounced (x2)Stuck in shadeSCIENCED ANYWAYLost powerWaitedOne month to goFOUND BY ROSETTA— Katie Mack (@AstroKatie) September 5, 2016 Question: who gives him strength? Answer: loved ones
answer:
no


question:
Context: I'm not saying LJ to Cavs is done deal or I know 4 a fact; just my gut feeling based on many conversations I've had around this story...— Chris Broussard (@Chris_Broussard) July 7, 2014 Question: what alert is at level severe? Answer: french toast
answer:
no


question:
Context: A8: Absolutely!! If you have the opportunity to be incubated please do it! The support you will receive is invaluable! #cnnafrica— Rebecca Enonchong (@africatechie) January 14, 2015 Question: what chat was this author partaking in? Answer: #cnnafrica
answer:

yes