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: Jessica Cheung, 36, has been at Mong Kok since last night. She said the anti-occupy crowd began approaching at noon Wilfred Chan (@wilfredchan) October 3, 2014 Question: what crowd began apporaching at noon Answer: the anti occupy crowd
[EX A]: yes

[EX Q]: Context: @UK_CAGE neocons can continue stifling the truth through their weaponised public bodies but the truth shall always prevail. Keep up the work CoolnessOfHind (@CoolnessOfHind) March 6, 2015 Question: how do neocons stifle the truth? Answer: through weaponised public bodies.
[EX A]: yes

[EX Q]: Context: That's what I call a team effort! Everyone played their part this week, so proud to be a part of #TeamEurope. Captain McGinley = phenomenal Rory Mcilroy (@McIlroyRory) September 28, 2014 Question: how many guests will disembark> Answer: 600 guests
[EX A]:
no