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 premature immunosenescence associated with memory dysfunction in rheumatoid arthritis?
Answer: RA patients had reduced memory performance compared to healthy controls. Expansion of activated and senescence-associated T cells was correlated with poor memory performance.

Ex Output:
yes


Ex Input:
Question: Is race a predictor of prostate cancer detection on repeat prostate biopsy?
Answer: Race is not a predictor of prostate cancer detection in men undergoing repeat prostate biopsies. With the exception of HGPIN, all other clinical parameters were similar between black and white men. Serum PSA, PSA velocity, HGPIN and ASAP were found to be significant predictors of subsequent prostate cancer detection.

Ex Output:

no