Teacher: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.
Teacher: Now, understand the problem? Solve this instance: Question: Is circulating retinol binding protein 4 associated with coronary lesion severity of patients with coronary artery disease?
Answer: Plasma RBP4 levels are significantly associated with coronary lesion complexity in women with stable CAD and ACS and predict incident cardiovascular events.
Student:
yes