<|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. all adult dental health surveys files are available from the uk data archive (accession numbers sn 2834, sn 4226 and sn 6884 for the 1988, 1998 and 2009 survey).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>