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: It's the Ides of March. Oh boy. Lettuce eat Caesar Salads. 😉— Brian (@revolution1913) March 15, 2016 Question: what is the causal problem? Answer: obamacare payments

Ex Output:
no


Ex Input:
Context: Google puts its best designer in charge of Google Glass, its biggest design problem. Nicholas Thompson (@nxthompson) January 15, 2015 Question: who did google put in charge of google glass? Answer: tony fadell

Ex Output:
yes


Ex Input:
Context: Beyoncé wrote "Sir Carter and Rumi" not "Sir and Rumi Carter" so is Rumi not a Carter or is Sir Carter Sir Carter Carter? Kingsley (@kingsleyyy) July 14, 2017 Question: what is forecasted for tonight? Answer: flash  flood

Ex Output:

no