<|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 usa today mass killings data are publicly available from masskillings.usatoday.com. the brady campaign data on school shootings and mass shootings are freely available on request from that organization, who can be contacted at (202) 370-8101. data have also been included in the paper and its supporting information files.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>