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: .The United States is raising this unprofessional incident with Russia in the appropriate diplomatic and official channels. 2/2— U.S European Command (@US_EUCOM) April 11, 2015 Question: what is the united states doing Answer: raising this unprofessional incident with russia
Example Output: yes

Example Input: Context: Let's break this down: APC has limited funds. PDP has CBN. APC will be bankrupted by this postponement. Part of the plan. Please donate!— Editi Effiòng (@EditiEffiong) February 8, 2015 Question: who will be bankrupted by this postponement? Answer: apc
Example Output: yes

Example Input: Context: I'm thirsty @ShaneWarne and I haven't even won the World Cup. Ignore the idiots criticising you - was very funny & the players loved it.— Piers Morgan (@piersmorgan) March 30, 2015 Question: who wants jlo's trainer to work for them? Answer: jennifer tisdale
Example Output:
no