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: I don't know if I've ever seen the level of humility and kindness that came with the Magnificent Talent that Nelsan Ellis had. Miss u friend— Sam Trammell (@SamTrammell) July 8, 2017 Question: what does the author feel for nelsan ellis? Answer: misses her

Ex Output:
yes


Ex Input:
Context: Show how much she accomplished in only 22 years....she's beautiful inside and there will never be another Aaliyah, I just hope to share her— Zendaya (@Zendaya) June 16, 2014 Question: who signed a contract with u.c. sampdoria? Answer: samuel eto'o

Ex Output:
no


Ex Input:
Context: STAY ACTIVE, STAY SHARP! Sébastien Foucan (@SebastienFoucan) November 8, 2013 Question: is the lab upstairs or downstairs? Answer: the lab is upstairs.

Ex Output:

no