instruction:
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.
question:
Question: Does concomitant consumption of red wine and polyunsaturated fatty acids in edible oil influence the peroxidation status of chylomicron lipids despite increasing plasma catechin concentration?
Answer: Red wine consumption increases plasma catechins, but does not influence lipid peroxidation in postprandial CM.
answer:
no


question:
Question: Is unexplained elevated maternal serum alpha-fetoprotein predictive of adverse perinatal outcome in an indigent urban population?
Answer: Elevated maternal serum alpha-fetoprotein levels offer little if any additional predictive value for adverse perinatal outcome in populations already at high risk for such outcomes on the basis of obstetric or socioeconomic criteria.
answer:
no


question:
Question: Does [ Thickness of retinal nerve fiber layer decrease after vitreous surgery for idiopathic macular hole ]?
Answer: This study demonstrates that the thickness of retinal nerve fiber layer decreases at least one month after surgery, even in cases without visual field defect. This fact may suggest the existence of a subclinical complication of vitreous surgery.
answer:

yes