Given the task definition and input, reply with output. 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 platelet function in stored heparinised autologous blood superior to in patient platelet function during routine cardiopulmonary bypass?
Answer: Ex vivo preservation of autologous blood in unfractionated heparin does not seem to be profitable to preserve platelet function.
no