<|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: the data are from the 1999 south african national food consumption survey. the data are fully available from the directors of the survey. the directors may be contacted as follows for full access to the data: dlabadarios@hsrc.ac.za; maundere@ukzn.ac.za. in view of the national importance of the survey and the fact no similar national survey had been conducted in the country since 1999, the data are currently stored in the archives of the human sciences research council and are being curated (www.hsrc.ac.za; policy according the act that governs hsrc policy is attached under other documents) for access to the wider scientific community and according to the curation policy of the hsrc. as of april 2016, the data will be available from the human sciences research council repository (www.hsrc.ac.za).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>