Detailed Instructions: 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.
Problem:Question: Does landiolol infusion during general anesthesia prevent postoperative atrial fibrillation in patients undergoing lung resection?
Answer: We failed to demonstrate that low-dose infusion of landiolol during general anesthesia could prevent the incidence of AF after lung resection. Only IL-6 sampled at 6h after end of surgery significantly predicted POAF among pulmonary surgical patients.
Solution:
no