<|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: due to ethical restrictions, data are available from the university of south australia for researchers who meet the criteria for access to confidential data. data requests will need to be submitted to professor maureen dollard, principal investigator (maureen.dollard@unisa.edu.au) for access to sensitive data.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>