<|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: Due to concerns for patient privacy, raw cancer mortality data is unable to be shared. Racial segregation and socioeconomic variables are available upon request. All data requests should be directed towards the corresponding author, Amin Bemanian.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>