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 Q]: Question: Is increasing exposure to antibody-stimulating proteins and polysaccharides in vaccines associated with risk of autism?
Answer: In this study of MCO members, increasing exposure to antibody-stimulating proteins and polysaccharides in vaccines during the first 2 years of life was not related to the risk of developing an ASD.
[EX A]: no

[EX Q]: Question: Do pre-admission clinical factors affect length of stay in the epilepsy monitoring unit?
Answer: Pre-admission clinical variables may predict EMU LOS. These factors could be used at the administrative level for maximum EMU resource utilization.
[EX A]: yes

[EX Q]: Question: Is cadmium a novel and independent risk factor for early atherosclerosis mechanisms and in vivo relevance?
Answer: Our research suggests Cd has promoting effects on early human and murine atherosclerosis, which were partly offset by high Zn concentrations.
[EX A]:
yes