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: Does acute and prolonged administration of glucocorticoids ( methylprednisolone ) affect plasma leptin concentration in humans?
Answer: These data suggest that in relatively lean individuals, the administration of therapeutic doses of methylprednisolone does not change plasma leptin concentration.
Output:
no