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: Captain Patrick Sondenheimer, the man who tried to save #flight9525, a true hero, is the name I'll remember. #GermanWings #RIP— Verena King (@verenaking) March 28, 2015 Question: what is the name of the man who tried to save the german wings flight? Answer: patrick sondenheimer
Example Output: yes

Example Input: Context: The handwriting and the hair: It's not messy, it's a challenge to a broken status quo. #feelthebern #longhairdontcare Bernie's Hair (@Bernies_Hair) June 14, 2015 Question: what skin tone does kim kardashian have? Answer: nude
Example Output:
no