<|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: data from the north west adelaide healthy study (nwahs) were accessed from a third party. the authors confirm that for approved reasons, some access restrictions apply to the data underlying the findings. to gain access to the data for this manuscript, ethics approval was sought and granted. enquiries regarding requests for the nwahs data can be directed to prof robert adams, principal investigator (clinical) (<robert.adams@adelaide.edu.au>).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>