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: Onto a 20th lap of @Circuitcat_eng for @LewisHamilton - he's made of tough stuff this fella! #F1 MERCEDES AMG F1 (@MercedesAMGF1) February 20, 2015 Question: where has jessica cheung been since last night Answer: mong kok
Example Output: no

Example Input: Context: CollegeFootballTalk @CFTalkVol legend Peyton Manning reportedly advising alma mater Tennessee on AD search , 10:40:28 PM Question: why did a former tcu player sued tcu? Answer: for alleged abuse and harassment.
Example Output: yes

Example Input: Context: Two members of my team were stabbed last night in Philly. One was killed. They had only been there for two days rehearsing for the tour. NICKI MINAJ (@NICKIMINAJ) February 18, 2015 Question: how many people were killed? Answer: one
Example Output:
yes