<|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: all the information of the monitoring sites in the study is available as supporting information files, including the sites number, mercator coordinates, altitude, the rectangular coordinates transformed by mercator coordinates (x, y, z), the rectangular coordinates after rotating the coordinate axis (x, y, z), latitude(e), longitude(n) and the concentration of tsp, so2 and nox (mg/m³). the meteorological data of the study area can be searched in the web site of shenzhen meteorological bureau: http://www.szmb.gov.cn/. e-mail: webmaster@szmb.gov.cn. the pollutant background concentration of the study area can be searched in the web site of shenzhen environmental protection bureau: http://www.szepb.gov.cn/.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>