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.

Example Input: Context: LeBron James is returning to the Cleveland Cavaliers, a source tells uuu. @KingJames #LeBronToClev Chris Sheridan (@sheridanhoops) July 9, 2014 Question: which sources says lebron james is returning to cleveland? Answer: sheridanhoops.com
Example Output: yes

Example 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
Example Output: yes

Example Input: Context: Road trip! Loaded the van & set off for IA. Met a great family when we stopped this afternoon. Many more to come. -H Hillary Clinton (@HillaryClinton) April 13, 2015 Question: where was hillary going to? Answer: she was heading to iowa
Example Output:
yes