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.

Q: Question: Does asfotase Alfa Treatment improve Survival for Perinatal and Infantile Hypophosphatasia?
Answer: Asfotase alfa mineralizes the HPP skeleton, including the ribs, and improves respiratory function and survival in life-threatening perinatal and infantile HPP.

A: yes
****
Q: Question: Do antioxidants attenuate myocyte apoptosis in the remote non-infarcted myocardium following large myocardial infarction?
Answer: Long-term treatment with the antioxidants probucol and pyrrolidine dithiocarbamate attenuates oxidative stress, myocyte apoptosis, caspase-3 like activity and the expression of p53, bax and caspase-3 within RM in rats after a large myocardial infarction.

A: yes
****
Q: Question: Is colonoscopy performance stable during the course of an extended three-session working day?
Answer: Colonoscopy quality does not appear to depend on time of day or queue position in an extended three-session day.

A:
yes
****