<|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: the authors confirm that all data underlying the findings are fully available without restriction. all datasets used in this analysis were obtained from the national cancer institute. the national cancer institute allows all researchers access to the data free of charge. however, interested researchers must register with the nih-aarp diet & health study tracking and review system (stars) and submit a formal data request to stars in order to obtain the research datasets (https://www.nihaarpstars.com/default.aspx?projectid=098b1a48-4822-4126-8d09-562e7d3b3659).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>