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: 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 Output:
no

Ex Input:
Context: Yeah.. y'all need to put the whole student section in some rice Khalil (@KahunaTheGreat) February 4, 2018 Question: what was the legend reduced to? Answer: a meme

Ex Output:
no

Ex Input:
Context: Save the Children is heartbroken and outraged by the attack on our partners' maternity hospital in #Idlib #Syria SavetheChildren News (@SaveUKNews) July 29, 2016 Question: what charity is helping maternity hospital? Answer: save the children

Ex Output:
yes