<|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: data are the property of the amhara national regional state health bureau (anrshb), and are available upon request by contacting: dr. ayelign mulualem, director, amhara regional health bureau, p.o. box 495, bahir-dar, ethiopia, annrshb@ethionet.et.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>