<|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 cannot be made publicly available due to ethical restrictions protecting the sensitive nature of breeding locality of this persecuted species. data are held by professor apollonio on behalf of the provincial administration of arezzo and requests to access data can be made to professor apollonio (marcoapo@uniss.it).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>