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 [ Serum follicle-stimulating hormone in combination with serum inhibin B evaluate spermatogenesis of azoospermic men ]?
Answer: Serum FSH and INHB levels is ineffective to distinguish the spermatogenic classifications from azoospermic men, but they are available to confirm the disease of Sertoli cell only. The other abnormalities of azoospermic men is also dependent on bioptic histopathology to confirm the subtypes.
Output:
yes