<|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: COVID-19 confirmed cases and deaths information be obtained from the following link(The first and second link );Daily PM2.5 and PM10 data were obtained from the National Urban Air Quality Publishing Platform(The third link);   http://www.nhc.gov.cn/xcs/xxgzbd/gzbd_index.shtml   http://wjw.hubei.gov.cn/bmdt/ztzl/fkxxgzbdgrfyyq/   http://106.37.208.233:20035/<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>