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 Q]: Context: Godspeed to the heroic Iraqi forces, Kurdish #Peshmerga, and #Ninewa volunteers. We are proud to stand with you in this historic operation.— Brett McGurk (@brett_mcgurk) October 16, 2016 Question: who is mcgurk proud of? Answer: iraqui forces.
[EX A]: yes

[EX Q]: Context: All of my Cabinet nominee are looking good and doing a great job. I want them to be themselves and express their own thoughts, not mine!— Donald J. Trump (@realDonaldTrump) January 13, 2017 Question: what did lutz do just before this tweet Answer: he woke up
[EX A]: no

[EX Q]: 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: how long did philae's journey take? Answer: 10 years.
[EX A]:
yes