<|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 va data is very sensitive and would require a number of approvals before it could be released. similar approvals would also apply at the university of michigan. there is a large amount of hippa data that would need to be de-identified. if someone wants the data, they would have to contact sonia duffy for veterans affairs data and carol bradford for university of michigan data, and procedures (e.g., data sharing agreements, sign off from privacy officers, de-identification, etc.) would then need to be followed to obtain the data.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>