<|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 are available from the development and research center of china geological survey(drccgs, which is similar to usgs) for reseachers who meet the criteria for access to confidential data. the ownership of data belongs to the drccgs, we did not participate in data producing. other interested researchers could access these data by visiting "http://www.gsigrid.cgs.gov.cn" after registering on the website.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>