<|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: relevant data are included within the supplementary information files. data on kinship and age are provided by the "monkey unit" of gibraltar ornithological and natural history society (gonhs) on study site. these data are available upon request from gonhs current management (mail@gonhs.org).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>