<|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 access is conditional on individual study approval in accordance with existing ethics and governance rules for each study. Summary level data may be made available on request subject to the approval of individual studies.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>