In this task, you are given a context tweet, a question and corresponding answer of given question. Your task is to classify this question-answer pair into two categories: (1) "yes" if the given answer is right for question, and (2) "no" if the given answer is wrong for question.

Ex Input:
Context: The Royals are shaking hands on the field and the Indians are outside their dugout, receiving a standing ovation. — Rustin Dodd (@rustindodd) September 16, 2017 Question: who is outside their dugout? Answer: rainfall and flooding

Ex Output:
no


Ex Input:
Context: Nearby Army Pavilion has become a tent city. 1000s made homeless or too scared to be under a roof are squatting here. Tim Hume (@tim_hume) April 27, 2015 Question: what has become a tent city? Answer: the lord

Ex Output:
no


Ex Input:
Context: Any Pirates of the Caribbean fans out there? You're gonna love this piece by Dmitriy Samohin! #jacksparrow #tattoo INK to do (@INKtodo) November 16, 2013 Question: who was the piece by? Answer: sean spicer

Ex Output:

no