<|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: all data were gathered under uk nhs research ethics procedures, and participants were not asked to provide consent to share data with other researchers. it is therefore not possible to make these data available.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>