id	domain	url
crln-24640	www.youtube.com	https://www.youtube.com
crln-24640	nces.ed.gov	https://nces.ed.gov
crln-24640	www.youtube.com	https://www.youtube.com/watch?v=shhhl31bfpa
crln-24640	www.youtube.com	https://www.youtube.com/watch?v=shhhl31bfpa
crln-24640	doi.org	https://doi.org/10.5860/crln.81.6.289
crln-24640	doi.org	https://doi.org/10.5860/crln.81.6.289
crln-24640	nces.ed.gov	https://nces.ed.gov/fastfacts/display.asp?id=667
crln-24640	nces.ed.gov	https://nces.ed.gov/fastfacts/display.asp?id=667