Detailed 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.
Q: Question: Are serum heart type fatty acid binding protein levels changed in hyperthyroidism?
Answer: Serum H-FABP levels are not altered in patients with hyperthyroidism.
A:
no