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.

Input: Consider Input: Context: @SamuelLJackson: Keep fighting and Stay Strong Strat! You can do it! #CapForStrat — Samuel L. Jackson (@SamuelLJackson) May 14, 2014 Question: who does jackson encourage? Answer: strat.

Output: yes


Input: Consider Input: Context: A3:World Hickory Championship supported by @carnoustiecntry this year at Panmure Golf Club (Oct 6-10th) #scotlandhour Scottish GolfPodcast (@ScotGolfPodcast) September 24, 2014 Question: what do the cavs have? Answer: space and attractive situation

Output: no


Input: Consider 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


Output: no