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: "If anyone needs me, I'm going to be blowing cigarette smoke into a martini for the rest of the afternoon," Anna Wintour says, walking out.— Richard Lawson (@rilaws) March 21, 2014 Question: where did anna wintour say she would be blowing smoke? Answer: into a martini

Output: yes


Input: Consider 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

Output: no


Input: Consider Input: Context: RT @thapanee: Thai people flock to #RedCross to donate blood for helping all injury #BangkokBlast #PrayForBangkok— Saima Mohsin (@SaimaMohsin) August 18, 2015 Question: what were the thai people wanting to donate? Answer: blood


Output: yes