<|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 are available upon request due to ethical restrictions regarding participant confidentiality. Data requests can be made to the Humanities and Social Sciences Research Ethics committee (Directorate of Research and Graduate Studies, PO Box 32379, Lusaka, Zambia; drgs@unza.zm). Please note, the authors are considering making the full raw data publicly available after end-line data collection in 2020.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>