<|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 data cited in this manuscript involve patient data derived from a clinical trial. in an effort to ensure that privacy obligations are maintained, these data will be made available upon request. data requests should be sent to cindy fung at cindy.fung@biogenidec.com.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>