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: Is 10lbs of snow enough? ShipSnowYo.com! ❄️ (@shipsnowyo) February 25, 2015 Question: who cancelled plans to return to akron? Answer: lebron james
[EX A]: no

[EX Q]: Context: We can't destroy the competitiveness of our factories in order to prepare for nonexistent global warming. China is thrilled with us!— Donald J. Trump (@realDonaldTrump) November 5, 2012 Question: who is thrilled with us? Answer: china
[EX A]: yes

[EX Q]: Context: Imagine Cheryl ordering a pizza. Calls 2 separate places, tells one the address and the other the toppings. Goes hungry. #CherylsBirthday— Ted Laking (@YukonTeddy) April 15, 2015 Question: who is proud to be a dallas police officer? Answer: @angelanordyke
[EX A]:
no