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: @UK_CAGE neocons can continue stifling the truth through their weaponised public bodies but the truth shall always prevail. Keep up the work— CoolnessOfHind (@CoolnessOfHind) March 6, 2015 Question: how do neocons stifle the truth? Answer: through weaponised public bodies.

Ex Output:
yes


Ex Input:
Context: 4 -- For the 1st time in @ChampionsLeague history 4 german teams lost on a matchday. Novelty.— OptaFranz (@OptaFranz) November 26, 2014 Question: what did sutter do today? Answer: drug the boat.

Ex Output:
no


Ex Input:
Context: and do the necessary work to learn from this experience and make better decisions in the future.— Michael Phelps (@MichaelPhelps) October 5, 2014 Question: how are the protesters protesting? Answer: huge banner from overpass

Ex Output:

no