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.

Ex Input:
Question: Is visceral pleural invasion a significant prognostic factor in patients with a part-solid lung cancer?
Answer: VPI may not contribute to the prognosis of patients with part-solid nodules. Thus, upgrading of the TNM stage on the basis of VPI should be carefully considered in these patients.

Ex Output:
no


Ex Input:
Question: Do rates of labor induction and primary cesarean delivery correlate with rates of adverse neonatal outcome in level I hospitals?
Answer: Crude and adjusted rates of labor induction and PCD vary among level I hospitals, but with no consistent effect on neonatal outcome.

Ex Output:
no


Ex Input:
Question: Are serum anti-mullerian hormone concentrations altered by acute administration of follicle stimulating hormone in polycystic ovary syndrome and normal women?
Answer: These findings suggest that in PCOS and normal women, acute exposure to FSH does not appear to exert an effect on AMH production.

Ex Output:

no