Assertion: hamburger | /r/MadeOf | buttered bun
Facets:
value: in the upper midwest
type: LOCATION
value: often
type: TEMPORAL
value: particularly wisconsin
type: OTHER
Source sentences:
text: In the Upper Midwest, particularly Wisconsin, burgers are often made with a buttered bun, butter as one of the ingredients of the patty, or with a pat of butter on top of the burger patty.