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: Are seizure frequency and duration of epilepsy risk factors for postoperative seizure outcome in patients with hippocampal sclerosis?
Answer: Clinical factors such as seizure frequency and duration of epilepsy are not risk factors for postoperative seizure recurrence.
no