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: Is vincristine-induced neuropathy in the rat modified by drug-drug interactions with the P-glycoprotein inhibitor verapamil?
Answer: Behavioral pain tests did not reveal an increase in vincristine neurotoxicity following combination treatment with verapamil and vincristine. This regimen only led to a slight increase in general toxicity.

A: no
****
Q: 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.

A: no
****
Q: Question: Does [ Sildenafil change coronary flow reserve in diabetics with erectile dysfunction ]?
Answer: Diabetics with erectile dysfunction often have a CFR in the lower range of normal. Sildenafil did not further reduce CFR. Asymptomatic, severe coronary artery disease often can be found in diabetics with erectile dysfunction. Cardiological screening for contraindications for sildenafil seems mandatory in diabetics with a high cardiovascular risk profile.

A:
no
****