<|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 raw data underlying the study. ama masterfile data are collected by the american medical association and are licensed to third parties. the data are available from a legitimate ama masterfile licensee. the authors obtained the data from http://www.redidata.com/, the interactive medical database system of redi-mail direct marketing.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>