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 new lightsaber design is good so you can kill a bad guy in front of you while also fighting two tiny bad guys to your sides— Thoughtter (@ThoughtOtter) November 30, 2014 Question: what weapon is being praised? Answer: the lightsaber
Example Output: yes

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: Mountain Biking, Paddling and Climbing on Skye, Scotland as part of my Year of #Microadventure. One of my favourites. Alastair Humphreys (@Al_Humphreys) August 16, 2014 Question: what did the humphreys do in scotland? Answer: mountain biking, paddling and climbing
Example Output:
yes