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: With my big sister Rebecca. I truly have the most incredible family and I am forever grateful for them. Gina Rodriguez (@HereIsGina) January 8, 2017 Question: what is this person grateful for? Answer: family and friends support.

Ex Output:
yes


Ex Input:
Context: A5: Look at your projections. If they show you are better off selling, then sell. Hold out if it shows there are better offers. #CNNAfrica— Gossy Ukanwoke (@gossyomega) January 14, 2015 Question: what is the tweeter watching? Answer: the vice presidential debate

Ex Output:
no


Ex Input:
Context: Official sources now reporting the soldier is dead. From what I saw this morning his wounds were catastrophic— Peter Henderscare (@Henderburn) October 22, 2014 Question: what did peter see this morning? Answer: catastrophic wounds

Ex Output:

yes