<|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 are owned by the national cancer center, japan, and will be shared with permission from the acting committee of jphc study. requests for data can be sent to dr. shoichiro tsugane (national cancer center, japan).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>