Instructions: 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: Do acute treatment with the antidepressants bupropion and sertraline influence memory retrieval in man?
Answer: Stimulation of the central monoaminergic system with the antidepressants bupropion and sertraline did not enhance the retrieval of long-term emotional memories in man.
Output:
no