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: Do extremely cold and hot temperatures increase the risk of diabetes mortality in metropolitan areas of two Chinese cities?
Answer: The results indicate that both extremely cold and hot temperatures increase diabetes mortality in different manners in Harbin and Chongqing. Diabetes education programs should include information on either managing or combating the effects of extreme hot and cold weather.
[EX A]: yes

[EX Q]: Question: Is serum Reg-Ialpha suitable marker of metabolic syndrome?
Answer: Our study, for the first time, indicates that serum Reg-1alpha is not useful for the diagnosis of metabolic syndrome (Tab. 3, Ref. 7).
[EX A]: no

[EX Q]: Question: Are falling insulin requirements associated with adverse obstetric outcomes in women with preexisting diabetes?
Answer: Falling insulin requirements, in women with preexisting diabetes, are associated with an increased risk of complications related to placental dysfunction. Further prospective studies are needed to guide clinical management.
[EX A]:
yes