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: VP Biden will lead a Presidential delegation to Saudi Arabia to pay respect and offer condolences to King Abdullah's family & nation.— Vice President Biden (@VP) January 23, 2015 Question: what test for companies is mentioned? Answer: the litmus test.

no