<|begin_of_text|><|start_header_id|>system<|end_header_id|>

You are an expert at identifying data availability statements in scientific text. A data availability statement describes where research data can be found or how it can be accessed.<|eot_id|><|start_header_id|>user<|end_header_id|>

Determine if the following text contains a data availability statement. Answer with 'yes' or 'no'.

Text: data cannot be made publicly available due to ethical restrictions. to meet the general idea of verification and reproducibility of scientific findings, we offer access to data at the local database in accordance with the ethics and the german cancer aid vote upon request at any time. the request should be directed to dr. sabine fischbeck (fischbec@uni-mainz.de).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>