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: Is eGFR expression associated with poor outcome in cutaneous squamous cell carcinoma?
Answer: We demonstrate that EGFR overexpression has prognostic implications associated with lymph node metastasis and progression in CSCC. This article is protected by copyright. All rights reserved.
Output:
yes