<|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 ethical and legal restrictions, data are available upon request. data are from the psell/eu-silc survey (panel socio-economique liewen zu letzerbuerg /european union  survey on income and living conditions) and is part of the luxembourg socio-economic panel, conducted by liser and statec, and part of the eu-silc is managed by eurostat. interested researchers who meet criteria for access to sensitive data may contact the liser management board. liser, 11 porte des sciences, l-4366 esch-sur-alzette, luxembourg furthermore, due to the new law on research institutes in luxembourg, liser currently discusses the property rights of databases with its partners.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>