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: kanye petty af to do this on taylor swift birthday tho Desus Nice (@desusnice) December 13, 2016 Question: whose birthday did desus mention? Answer: taylor swift
[EX A]: yes

[EX Q]: Context: Breaking: Huge explosions shook the city in what might be the beginning of US airstrikes on ISIS HQs in Raqqa Abdulkader Hariri (@3bdUlkaed6r) September 23, 2014 Question: this tweet is not viewable Answer: this tweet is not viewable
[EX A]: no

[EX Q]: Context: InsideHoops.com NBA @InsideHoopsThe Philadelphia 76ers signed guard Chasson Randle to a second 10-day contract today: , 12:02:29 AM Question: who did the philadelphia 76ers sign? Answer: chasson randle
[EX A]:
yes