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: Are mannose-binding lectin polymorphisms associated with rheumatoid arthritis -- confirmation in two large cohorts?
Answer: MBL genotype groups are not associated with RA disease susceptibility or severity in this large study including a confirmation cohort. Compared with previous smaller studies these results add to more definite conclusions.
answer:
no


question:
Question: Does intravenous insulin therapy during lung resection affect lung function or surfactant proteins?
Answer: According to our observations, short insulin treatment applied intravenously during resection does not affect the quality of breathing.
answer:
no


question:
Question: Does relative influence of genetics and shared environment on child mental health symptoms depend on comorbidity?
Answer: We conclude that symptom classes are largely similar across sexes in middle childhood. Heritability was moderate for all classes, but shared environment played a greater role for classes in which no one type of symptom predominated.
answer:

yes