<|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 used from risi are available only through direct purchase from www.risi.com. the icr data are publicly available through www.regulations.gov. remaining data are available from the epa's technology transfer network.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>