Q: 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 endoscopic medial orbital fat decompression for proptosis in type 1 grave orbitopathy?
Answer: Endoscopic medial orbital fat decompression may be an effective technique for proptosis in selected patients with type 1 Graves orbitopathy and is associated with a low rate of surgically induced diplopia.
A:
yes