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: Is 10lbs of snow enough? ShipSnowYo.com! ❄️ (@shipsnowyo) February 25, 2015 Question: who cancelled plans to return to akron? Answer: lebron james

Ex Output:
no

Ex Input:
Context: @hankscnn @JKCorden I'm a huge UK comedy fan, and I'm so pleased by him and how well he's coming off. No one is lovelier or more deserving. Dana Franks (@ariedana) March 24, 2015 Question: why is goldie hawn sad? Answer: robin passed away

Ex Output:
no

Ex Input:
Context: Kim was a friend, he taught me so much. I am very sad. Joan Jett (@joanjett) January 16, 2015 Question: what did kim do for joan jett? Answer: taught her so much

Ex Output:
yes