<|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. ccdc nos. 1013495 and 1013496 contain the supplementary crystallographic data for hl5, and 2, respectively. these data can be obtained free of charge via http://www.ccdc.cam.ac.uk/conts/retrieving.html, or from the cambridge crystallographic data centre, 12 union road, cambridge cb2 1ez, uk; fax: (44) 1223-336-033; or email: deposit@ccdc.cam.ac.uk.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>