Definition: 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.
Input: Context: 225mm rain fell in Sydney over the last 2 days. That's the wettest 2-day period since 7-8 August 1998 #SydneyStorm BOM New South Wales (@BOM_NSW) April 22, 2015 Question: how much rain fell in sydney over the last 2 days? Answer: 225mm

yes