Anchor: There is one thing that I have never figured out about laundry room etiquette
Entailed: There are still things unknown about the laundry room etiquette.
Contradiction: At the laundry room, everybody does as they please, there are no rules.
Contradiction: Edinburgh Zoo is located on a plateau near an empty field. 
Contradiction: A dog is standing in front of a tree.
Contradiction: The family are in their house playing a game.
Contradiction: A person is snowboarding.