<|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 data that are analyzed in this paper have been obtained from an online repository. The data are freely available for download at this site, and the web location is specified in the paper.   https://datahub.io/core/covid-19#data-cli<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>