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: Melania must've liked Michelle Obama's 2008 Convention speech, since she plagiarized it.#GOPConvention #RNCinCLE Jarrett Hill (@JarrettHill) July 19, 2016 Question: did melania like michelle obama's 2008 convention speech? Answer: she must have

Ex Output:
yes

Ex Input:
Context: Everything I wrote has been taken completely out of context...but I'm trending though. lmao #LiveofACeleb #TwitterIsTheDevil #NoEndorsement ChingyJackpot (@ChingyJackpot) January 22, 2016 Question: who did thomas berdych beat? Answer: cilic

Ex Output:
no

Ex Input:
Context: Obama to Bernie Sanders: "You look like 37,000 donations of $27 each" #WHCD CNN Politics (@CNNPolitics) May 1, 2016 Question: who is st louis locked on? Answer: new york rangers

Ex Output:
no