<|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: 1. The epidemic data that support the findings of this study are available in Ding Xiang Yuan (in Chinese) 2020, from http://www.dxy.cn/ 2. The migration data that support the findings of this study are available in Baidu qianxi (in Chinese) 2020, from https://qianxi.baidu.com/ 3. The city data that support the findings of this study are available in National Bureau of Statistics of China, Ovi interactive map and China Meteorological Administration, from http://www.dxy.cn/; http://www.gpsov.com/cn/main.php ; http://www.cma.gov.cn/   http://www.dxy.cn/   https://qianxi.baidu.com/   http://data.stats.gov.cn   http://www.gpsov.com/cn/main.php   http://www.cma.gov.cn/<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>