Definition: 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.
Input: Question: Does capsular closure affect development of heterotopic ossification after hip arthroscopy?
Answer: Capsular closure did not seem to alter the rate of HO when compared with a control group of patients in whom the capsulotomy was not repaired.
Output:
no