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: CURRENT FRENCH TOAST ALERT LEVEL: SEVERE -- #fb— French Toast Alert (@FrenchToastAlrt) January 25, 2015 Question: what did they build the episode around? Answer: his character

Ex Output:
no


Ex Input:
Context: Flags at half mast for Whitney Houston? 4 Marines and 1 Navy serviceman assassinated by a terrorist on our soil.....nothing?— Curt Schilling (@gehrig38) July 20, 2015 Question: who is going to perform more tests? Answer: the state lab team

Ex Output:
no


Ex Input:
Context: Adam Silver speaks on recent issues and how it affects the NBA moving forward NBA TV (@NBATV) September 28, 2017 Question: what time was this tweet posted Answer: 2:35 pm

Ex Output:

yes