<|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 gusto study and are available upon request. requests will be assessed and approved by the executive committee of the gusto study and administered by the main gusto study team of data management. to request data, please contact: dr. shirong cai, research fellow for gusto study group at obgcais@nus.edu.sg.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>