Detailed 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.
Q: Question: Does histological examination confirm clinical clearance of actinic keratoses following treatment with ingenol mebutate 005 % gel?
Answer: Ingenol mebutate achieves histopathological clearance of AKs that correlates with observed clinical clearance. Clinical clearance is a good predictor for histological clearance.
A:
yes