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.

Ex Input:
Question: Does positive expression of miR-361-5p indicate better prognosis for breast cancer patients?
Answer: These results indicated that miR-361-5p expression is an independent predictive factor for better prognosis in BC.

Ex Output:
yes

Ex Input:
Question: Is routine preoperative lymphoscintigraphy necessary prior to sentinel node biopsy for breast cancer?
Answer: Preoperative lymphoscintigraphy adds little additional information to intraoperative lymphatic mapping, and its routine use is not justified.

Ex Output:
no

Ex Input:
Question: Does aerobic training alter CRP in apparently healthy , untrained men?
Answer: Regular aerobic training does not appear to affect CRP concentrations in apparently healthy, untrained men despite significant improvements in bodyweight, BF%, BMI, and VO2max.

Ex Output:
no