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.

Ex Input:
Context: Is 10lbs of snow enough? ShipSnowYo.com! ❄️ (@shipsnowyo) February 25, 2015 Question: who cancelled plans to return to akron? Answer: lebron james

Ex Output:
no


Ex Input:
Context: It's about time Transfer Deadline Day was made a bank holiday.— Gary Lineker (@GaryLineker) February 2, 2015 Question: who should the dude apologize to? Answer: sarah

Ex Output:
no


Ex Input:
Context: Zach Lowe @ZachLowe_NBANice win for ORL tonight. Have realized 1) Gordon/Elf can't play together w 2 traditional bigs. 2) DJ for Elf better starting lineup change12/5/2016, 2:15:42 AM Question: who had a nice win tonight Answer: orl

Ex Output:

yes