Definition: 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: Is an anterior left ventricular lead position associated with increased mortality and non-response in cardiac resynchronization therapy?
Answer: An anterior left ventricular lead position is associated with increased all-cause mortality and lower clinical response rate in patients treated with CRT and should be avoided.
Output:
yes