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 use of PET-CT for the assessment of treatment result in patients with sarcoidosis?
Answer: FDG PET-CT may be useful for determining activity and the efficacy of treatments. Methylprednisolone is effective in reducing metabolic activity but does not lead to improvement in functional parameters.
Output:
yes