<|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 legal restrictions imposed by the european data protection directive and the bundesdatenschutzgesetz in germany, data are available from the university of kassel for research purposes via the following license agreement: http://www.kde.cs.uni-kassel.de/everyaware/dumps/airprobe/airprobe_license_agreement.pdf. all interested reasearchers will be able to access the data freely upon request. requests have to be made through the website https://www.kde.cs.uni-kassel.de/everyaware/dumps or directly to the knowledge and data engineering group, wilhelmshher allee 73, 34121 kassel, germany, tel: +49 561 804-6250, e-mail: kde@cs.uni-kassel.de.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>