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.

Example Input: Context: We here at @united are just trying to police the attire of the daughters of our employees! That's all! Cool, right? Seth Rogen (@Sethrogen) March 26, 2017 Question: united is trying to police the attire of the daughters of who? Answer: our employees
Example Output: yes

Example Input: Context: "Distinguished ladies/gentlemen we've taken all the states, we'll call it a day and convene tomorrow at 10am. Goodnight to you all"- Jega— INEC Nigeria (@inecnigeria) March 30, 2015 Question: when will the meeting occur? Answer: at 10 am.
Example Output: yes

Example Input: Context: We want U to #SaveLunchBreak! How? Tomorrow, buy ANY sub & 30oz drink, and GIVE ANY sub FREE! #NationalSandwichDay SUBWAY® (@SUBWAY) November 2, 2015 Question: what is this celebrating tomorrow? Answer: national sandwich day
Example Output:
yes