<|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 UNAIDS Mongolia for researchers who meet the criteria for access to confidential data. Due to the sensitive nature of these data, which were collected from a highly marginalized population about their sexual practices and history of abuse, there are ethical restrictions on making them freely available online. However, we invite others who wish to use the data to contact UNAIDS Mongolia, Altanchimeg Delegchoimbol at altanchimeg.delegchoimbol@one.un.org.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>