<|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 present study used the northern japan occupational health promotion centers collaboration study for mental health (nocs-mh) data. the authors did not produce the data and do not own the data. all relevant data are published in the report. the title is "report on northern japan occupational health promotion centers collaboration study for mental health (2011) (in japanese)" (http://www.hokkaido-sanpo.jp/pdf/tyousa_kenkyuu/h23.pdf). an english-translated version is not available. there is no secondary url where this report may be accessed.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>