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.

Question: Does acute infusion of naloxone , an opioid receptor antagonist , modify serum leptin concentrations in amenorrheic and healthy women?
Answer: The present data do not support the hypothesis that opioidergic receptors are involved acutely in the modulation of leptin release in healthy and amenorrheic women.
no