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.

Example Input: Context: Let's break this down: APC has limited funds. PDP has CBN. APC will be bankrupted by this postponement. Part of the plan. Please donate!— Editi Effiòng (@EditiEffiong) February 8, 2015 Question: who will be bankrupted by this postponement? Answer: apc
Example Output: yes

Example Input: Context: The WALL, which is already under construction in the form of new renovation of old and existing fences and walls, will continue to be built.— Donald J. Trump (@realDonaldTrump) September 14, 2017 Question: during construction of the wall, what is being newly renovated? Answer: old/existing fences and walls
Example Output: yes

Example Input: Context: Connect the dots: @OPCW sure chlorine used in #Syria, witnesses saw it dropped by helicopters,which only Assad has. Who's responsible? #UNSC— Lithuania in UN NY (@LithuaniaUNNY) October 7, 2014 Question: who wrote this tweet? Answer: frank miller
Example Output:
no