<|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: individual data from different data sets were used for this study. all these data are the property of the swiss federal statistical office (sfso) (www.bfs.admin.ch) and can only be made available to other researchers by legal agreements with the sfso.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>