Anchor: Of course, I don't know that they killed you first--but those are their methods.
Entailed: Sure, I'm unaware of whether they killed you beforehand, but that's what they usually do.
Contradiction: I know they didn't kill you first, even though that's their usual method.
Contradiction: A man is working in a room by himself.
Contradiction: The young woman was stabbed.
Contradiction: Don't eat and drive while two men are heavy
Contradiction: A type of contract that may not directly involve all parties.