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: End of the fixture! Here's a tweet to save in your Favourites: We're #UCL finalists! Atléticos, we're going to Lisbon! #LisbonRedAndWhite :)— Atleti English (@atletienglish) April 30, 2014 Question: what should you be careful of? Answer: wishing

Ex Output:
no


Ex 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

Ex Output:
yes


Ex Input:
Context: Sgt. Whitcomb greets with Doritos at the gates. Seattle Police Dept. (@SeattlePD) August 17, 2013 Question: who was at the gate Answer: sgt whitcomb

Ex Output:

yes