<|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: in line with the data policy of the natural environment research council, the data are archived at the british antarctic survey polar data centre: http://www.antarctica.ac.uk/about_bas/our_organisation/eid/pdc/index.php.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>