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: Maturity, grace and oh boy, is she going high when they went low. shonda rhimes (@shondarhimes) January 20, 2017 Question: what two things does she have? Answer: maturity and grace

Ex Output:
yes


Ex Input:
Context: Thankful to be alive, full of admiration for the way Kenyan citizens responded, but concerned re ongoing terrorist threat. #Westgate6Months— Sarah Holmes (@holmespest) March 20, 2014 Question: what team is lbj leaning towards? Answer: heat

Ex Output:
no


Ex Input:
Context: PM: Great to hear Pauline Cafferkey has been discharged from hospital. Thank you to everyone @RoyalFreeNHS for the world class care— UK Prime Minister (@Number10gov) January 24, 2015 Question: who has been discharged from the hospital? Answer: pauline cafferkey

Ex Output:

yes