<|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://sibis.sanbi.org/. the full data set belongs to a consortium involving the animal demography unit (university of cape town), the lepidopterists society of africa, and the south african national biodiversity institute. requests for access to the full data set, for research purposes, can be made through either one of these institutions. access to sensitive information on the location of rare and threatened species may require additional checks. however, data can be requested via the south african national biodiversity institute (contact: bahelp@sanbi.org.za) or the lepidopterists society of africa (contact person: dr bennie coetzer, bennie@neutedop.co.za).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>