<|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 cannot be made available in the submission files or in a public repository by the authors because they were obtained from third parties. all datasets and repository information are available online using the following links: dataset a (hgr)(kawulok et al., 2014b) can be found and downloaded at: http://sun.aei.polsl.pl/~mkawulok/gestures/ dataset b (ecu) also can be downloaded upon official request to the original author (phung et al., 2005) the ecu repository can be accessed with the following links: http://www.elec.uow.edu.au/staff/sphung/download/xa34b4/original.rar http://www.elec.uow.edu.au/staff/sphung/download/xa34b4/face.rar http://www.elec.uow.edu.au/staff/sphung/download/xa34b4/skin.rar dataset c (ar & feret) is also can be accessed online upon official request to http://www.nist.gov/itl/iad/ig/colorferet.cfm http://www2.ece.ohio-state.edu/~aleix/ardatabase.html.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>