Assertion: hamburger | /r/HasProperty | a back-formation
Facets:
Source sentences:
text: The term “burger”, a back-formation, is associated with many different types of sandwiches, similar to a (ground meat) hamburger, but made of different meats such as buffalo in the buffalo burger, venison, kangaroo, turkey, elk, lamb or fish like salmon in the salmon burger, but even with meatless sandwiches as is the case of the veggie burger.