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.

[Q]: Context: HMS Lancaster, known as the 'Queen's Frigate', sent a message of congratulations to @KensingtonRoyal on the new birth Royal Navy (@RoyalNavy) May 2, 2015 Question: what is the hms lancaster known as? Answer: the queen's frigate
[A]: yes


[Q]: Context: Ghana journos are safe. Police barricade separates us from the fans. We're ok. For now. #afcon2015 Gary Al-Smith (@garyalsmith) February 5, 2015 Question: who's thoughts do they want? Answer: speaker cruz
[A]: no


[Q]: Context: .@originalspin @whoismims someone please reverse this @FreshOffABC at least they didn't do the native american with chicken pox blankie lol— RICH HOMIE HUANG (@MrEddieHuang) January 29, 2015 Question: what race was mentioned as not being used in fresh off on abc? Answer: native american
[A]:
yes