<|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 available from the "comité d'accès aux données" of kaya health and demographic surveillance system for interested researchers. please contact dr. seni kouanda (director of the institut de recherche en sciences de la santé in ouagadougou) by email at: skouanda@irss.bf. the authorization number for this study is 1kh004-2015.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>