Instructions: 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: Does eRR be a Marker of Tamoxifen Response and Survival in Triple-Negative Breast Cancer?
Answer: Taken together, these data show that ERR expression predicts response to tamoxifen treatment, and ERR could be a biomarker of tamoxifen sensitivity and a prognostic factor in TNBC.
Output:
yes