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: 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).
no

Question: Is histamine released in acute thermal injury in human skin in vivo : a microdialysis study?
Answer: Histamine is not released in human skin during the acute phase of a thermal injury.
no

Question: Does general anesthesia affect the serum complexed and free prostate specific antigen levels?
Answer: Anaesthesia does not affect PSA levels alone. However, hospitalisation decreases total and free PSA levels, although it does not have an affect on free to total PSA ratio.

no