<|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: summary data are freely available at http://sabap2.adu.org.za/. the full data set belongs to the animal demography unit (university of cape town) and the south african national biodiversity institute. requests for access to the full data set, for research purposes, can be made through michael brooks of the adu (michael.brooks@uct.ac.za).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>