<|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 are from the anonymized spreadsheet files. their use was authorized by the center for aids prevention and control in mexico (censida) and may be requested to the following web page http://censida.salud.gob.mx/<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>