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: #Khartoon - Choices #OmranDaqneesh 5 pulled from under the ruins, #AylanKurdi 3 drowned in the Mediterranean #Syria ALBAIH (@khalidalbaih) August 18, 2016 Question: how many were pulled from the ruins? Answer: five

Ex Output:
yes


Ex Input:
Context: In India getting ready to sail with Nashwa tomorrow from Mumbai to Muscat. Have had amazing help from our driver. Hilary Lister (@HilaryLister) March 10, 2014 Question: who is the subject of her tweet? Answer: nelson mandela dying.

Ex Output:
no


Ex Input:
Context: The RedState Gathering is a four day event and other candidates have already indicated that they will be attending both. (2/3)— Jeff Kaufmann (@kaufmannGOP) May 12, 2015 Question: who was receiving threats? Answer: staff and their families

Ex Output:

no