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.
Q: Question: Do soft-tissue response rate to chin skeletal advancement in patients with lower facial burn scar?
Answer: Burn-related retrusive chin can appropriately be treated with sliding osseous genioplasty and will require slight overcorrection compared with patients without a history of lower face burn.
A:
yes