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: @UK_CAGE neocons can continue stifling the truth through their weaponised public bodies but the truth shall always prevail. Keep up the work— CoolnessOfHind (@CoolnessOfHind) March 6, 2015 Question: how do neocons stifle the truth? Answer: through weaponised public bodies.
Example Output: yes

Example Input: Context: AP Top 25 @AP_Top25Swanigan leads No. 21 Purdue past Penn State 77-52 , 7:52:05 PM Question: purdue passed what team with a score of 77-52? Answer: penn state
Example Output: yes

Example Input: Context: This #snowFail does not bode well for civilian cooperation with the terms of the next snow emergency in NYC.— Lisa B. (@politeracy) January 27, 2015 Question: where is katy mounted? Answer: on a transformer
Example Output:
no