<|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 upon request. we are unable to publicly share the dataset because the coordinating organizations (promundo or the international center for research on women) require that they have a written agreement with anyone who is going to use the data. to request a written agreement, individuals will need to contact either promundo or the international center for research on women. they may contact ruti levtov, at r.levtov@promundo.org.br.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>