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: Alright Ladies , today i am inspired the women in tech in Africa came together despite tool fails to share and collaborate #WTechAfrica— ethelcofie (@MissEDCofie) August 2, 2014 Question: who came together in africa? Answer: women in tech

Ex Output:
yes


Ex Input:
Context: some things *are* worth waiting for. So good to have the OG crew back together #IdolFinale— Ryan Seacrest (@RyanSeacrest) April 8, 2016 Question: how many things does ryan seacrest find are worth the wait? Answer: some things.

Ex Output:
yes


Ex Input:
Context: Everything happens 4 a reason. I think u and the girls have a tighter friendship now. And it gave us your amazing solo career.— Rafael Martínez (@RafaMartinezL) June 1, 2017 Question: who could grow up without parents? Answer: sons and daughters.

Ex Output:

no