<|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: all relevant data are within the paper and its supporting information files. data are from the snac-k study, an ongoing longitudinal study (http://www.snac-k.se/). for further information on this database and on data availability you may contact the pi of snac-k, laura fratiglioni (laura.fratiglioni@ki.se).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>