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: HMS Lancaster, known as the 'Queen's Frigate', sent a message of congratulations to @KensingtonRoyal on the new birth Royal Navy (@RoyalNavy) May 2, 2015 Question: what is the hms lancaster known as? Answer: the queen's frigate

Output: yes


Input: Consider Input: Context: Andy Dalton @andydalton14In the 24 hours since the 1st donation came in, over 2500 donors and just over $57,000 and counting! Last update for the night! I will update tomorrow. We can’t thank y’all enough!2018-1-2 02:35:34 Question: how much money has been donated? Answer: $57,000

Output: yes


Input: Consider Input: Context: This is me locked inside a waterstones bookstore in London. I was upstairs for 15 minutes and came... David Willis (@DWill_) October 16, 2014 Question: to whom is this question asked? Answer: mr. speaker


Output: no