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: People,I Just Found Out The Loss Of Spiritual Mother,The Late,Great Ruby Dee.I'm Crushed By This Bad... Spike Lee (@SpikeLee) June 12, 2014 Question: what was ruby dee's nickname? Answer: spiritual mother

Ex Output:
yes


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: RT @samanthalclark: Multitasking: @MTEventing gives Amacuzzi a jump & also schools the Brazilians Mark Todd (@MTEventing) June 6, 2014 Question: what does mteventing do with amacuzzi? Answer: jump and school brazilians.

Ex Output:

yes