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.

Q: Context: #Ferguson protesters spill into 101 Fwy lanes at Grand Ave, DTLA #TRAFFICALERT ABC7 Eyewitness News (@ABC7) November 26, 2014 Question: what did the rule attemp to sabotage? Answer: the affordable care act

A: no
****
Q: Context: PM: "I'm delighted by the news that the Duke & Duchess of Cambridge are expecting a baby. They will make wonderful parents." #royalbaby— UK Prime Minister (@Number10gov) December 3, 2012 Question: is this clothing warmer or colder? Answer: warmer

A: no
****
Q: Context: happy freedom day 2015 South Africa.. "for to be free is not merely to cast off one's chai... Merentia van der Ven (@Merentia) April 27, 2015 Question: what day is freedom day in south africa? Answer: april 27th

A:
yes
****