<|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: This study uses four data sources to predict COVID-19 disease, including COVID-19 data, basic information, detailed information for each country, as well as SARS Data. The COVID-19 Data (by John Hopkins university) contains daily number of confirmed/death/recovered people. The Basic information contains the information about date/country/province of the cases. The detailed information for each country (around 18576 observations) includes information such as Region/ Population/Area (sq. mi.)/ Pop. Density (per sq. mi.)/ Coastline(coast/area ratio)/ Net migration/ Infant mortality (per 1000 births)/GDP/Literacy (%)/ Phones (per 1000)/ Climate/ Birthrate/ Death-rate/ Agriculture/ Industry/ Service/Arable (%)/ Crops(%)/. The Occurrences of SARS Data (2539 observations) contains information on the number of confrmed/death/recovered people for SARS.   https://coronavirus.jhu.edu/map.html   https://data.humdata.org/dataset/novel-coronavirus-2019-ncov-cases<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>