<http://schema.org/about>
"The USDA is expected to announce that schools will be able to request beef patties with or without the controversial filler."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/food/healthy-eating/blogs/pink-slime-schools-to-get-option-to-take-it-or-leave-it>