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: Show how much she accomplished in only 22 years....she's beautiful inside and there will never be another Aaliyah, I just hope to share her— Zendaya (@Zendaya) June 16, 2014 Question: who signed a contract with u.c. sampdoria? Answer: samuel eto'o

Ex Output:
no


Ex Input:
Context: Onto a 20th lap of @Circuitcat_eng for @LewisHamilton - he's made of tough stuff this fella! #F1 MERCEDES AMG F1 (@MercedesAMGF1) February 20, 2015 Question: where has jessica cheung been since last night Answer: mong kok

Ex Output:
no


Ex Input:
Context: I ran away often as a kid and not knowing who to run to I always found myself knocking on my granny door & she always opened it.. — Tyrann Mathieu (@Mathieu_Era) March 22, 2016 Question: whose door was always knocked on? Answer: his granny's door

Ex Output:

yes