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: (1 of 2) @HeathrowAirport just took my pumped breast milk away. 10 ounces. Gone. Not okay.— Alyssa Milano (@Alyssa_Milano) April 9, 2015 Question: how many ounces was taken? Answer: 10

Ex Output:
yes


Ex Input:
Context: My thoughts are with all those impacted by the catastrophic earthquake that struck Nepal this morning.— Rep. Lois Frankel (@RepLoisFrankel) April 25, 2015 Question: what kind of negligence is discussed? Answer: gross

Ex Output:
no


Ex Input:
Context: For #NationalSandwichDay, here's where I find some of my favorite fixes via @Pinterest: Alton Brown (@altonbrown) November 3, 2015 Question: what happened during the halftime show? Answer: brought out prince

Ex Output:

no