<|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 lifelines scientific board and the medical ethical committee of the university medical center groningen related to protecting patient privacy, all relevant data are available upon request to the lifelines research office (llscience@umcg.nl).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>