Instructions: 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: Do minimally invasive retroperitoneoscopic surgery for psoas abscess with thoracolumbar tuberculosis?
Answer: The retroperitoneoscopic technique for PA gain advantages in terms of shorter hospital stay, minimal invasiveness, absence of radiation, quicker recovery to daily life compared with percutaneous drainage, and anterior or posterior debridement surgery. Despite the technique not been fully clinically proved, it seems to be a recommended option as an effective diagnostic and therapeutic technique for PA, especially with massive or complicated PA.
Output:
yes