Definition: Given a passage with a question and an answer to that question, classify if the answer actually answers the question into 'yes' or 'no'. Output 'yes' if the answer answers the question and output 'no' if the answer does not answer the question.
Input: Question: Does nPY5R antagonism augment the weight loss efficacy of orlistat or sibutramine?
Answer: Blockade of the NPY5R with the potent antagonist MK-0557 did not significantly increase the weight loss efficacy of either orlistat or sibutramine monotherapy.
Output:
no