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: Is detection of human mammaglobin mRNA in serial peripheral blood samples from patients with non-metastatic breast cancer predictive of disease recurrence?
Answer: There is no evidence that hMAM mRNA detection at diagnosis or during follow-up predicts for breast cancer recurrence.
A:
no