<|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 for the 2004 sars public survey may be accessed at the url http://dx.doi.org/10.7939/dvn/10617 (doi: 10.7939/dvn/10617). the data for the 2010 h1n1 public survey (conducted in conjunction with the 2010 alberta survey) may be accessed at the url http://dx.doi.org/10.7939/dvn/10008 (doi: 10.7939/dvn/10008).<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>