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: Josh Martin @JoshMartinNBAAmong those catching T-shirts from cannons during timeout: Lawrence Frank, Clippers’ EVP of basketball ops12/5/2016, 4:58:04 AM Question: how long until the deadline passes? Answer: 24 hours.
[EX A]: no

[EX Q]: Context: Caitlyn Jenner takes NYC by storm Page Six (@PageSix) June 30, 2015 Question: who is she proud of? Answer: bruce, her dad.
[EX A]: no

[EX Q]: Context: Vessels are en route to assist a ship beset by ice 100nm east of French base Dumont D'Urville. AMSA News (@AMSA_News) December 25, 2013 Question: tweet is not visible Answer: tweet is not visible
[EX A]:
no