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 Input:
Context: Is 10lbs of snow enough? ShipSnowYo.com! ❄️ (@shipsnowyo) February 25, 2015 Question: who cancelled plans to return to akron? Answer: lebron james

Ex Output:
no

Ex Input:
Context: @cnni I hope the families of the victims get the truth and finally closure #Westgate6Months Ruthie Ruthie (@808Ruthie) March 17, 2014 Question: how powerful was the napa earthquake? Answer: 6.1

Ex Output:
no

Ex Input:
Context: After a meeting that lasted nearly hour with Heat president Pat Riley, a source said that LeBron James now wants to talk to his family. Marc J. Spears (@SpearsNBAYahoo) July 9, 2014 Question: who did lebron james have a meeting with? Answer: pat riley

Ex Output:
yes