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: @cubagoodingjr hi, dude. did you apologize to Sarah? you should if you didn't bc what you did was Gross and Disrespectful— kommissar (@choirgirI) March 27, 2017 Question: who should the dude apologize to? Answer: sarah

Output: yes


Input: Consider Input: Context: MY PICTURE OF PRINCES WILLIAM AND HARRY WITH THEIR FATHER THE PRINCE OF WALES. #FATHERANDSONDAY @KensingtonRoyal Mario Testino (@mariotestino) June 29, 2015 Question: what type of zone is someone in if you don't return their feelings? Answer: friend

Output: no


Input: Consider Input: Context: New ceasefire comes into effect. Here is hoping that Syrians can go to bed tonight, safe that they'll wake up 2mrrw The White Helmets (@SyriaCivilDef) September 12, 2016 Question: what is hoped to allow syrians to be safe tonight? Answer: the new ceasefire.


Output: yes