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: Does acute Coronary Syndrome Have a Negative Impact on Outcomes after Coronary Artery Bypass Grafting in Patients with Left Main Disease?
Answer: ACS did not have a negative impact on early and late outcomes of CABG in patients with LMD.
no