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: Estonia is 1 of 5 NATO allies in Europe to meet its 2% def expenditures commitment. Fought, with no caveats, in NATO's sole Art 5 op. in Afg— toomas hendrik ilves (@IlvesToomas) July 21, 2016 Question: where is willie robertson giving a speech? Answer: at the gop convention

no