<|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: the authors do not own the data. due to legal restrictions imposed by the data owners, the us centers for medicare and medicaid services, all data are publicly available from the united states centers for medicare and medicaid services, subject to a standard data application and data use agreement. to obtain the research data, readers may contact the medicare research data assistance center (resdac) at www.resdac.org.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>