<|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 confirm that all data underlying the findings are fully available without restriction. data are available as revman files in supporting information files. revman files are accessible using the freely available review manager software provided by the cochrane collaboration: http://tech.cochrane.org/revman.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>