Anchor: (And all this time, I thought you actually had to be physically present at Slate.com in order to write for it.)
Entailed: I thought you had to be at Slate.com in person to write for it.
Contradiction: People have to physically present at Slate.com to write for it.
Contradiction: There are three dogs.
Contradiction: A girl sleds down a hill.
Contradiction: Some people eat dinner at a diner.
Contradiction: The man is working on the floor.