<|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 imposed by the ethics committee of parma province as well as legal restrictions imposed by italian legislation, data cannot be made publicly available. all relevant data is available upon request to the corresponding author.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>