Anchor: The old man spoke to me.
Entailed: I was spoken to by the old man.
Contradiction: I was spoken to by the old woman.
Contradiction: Ca' Rezzonico, completed over 200 years ago, now lies abandoned and empty. 
Contradiction: I was a development student at the time I started at TI.
Contradiction: The boy is in the lake.
Contradiction: a person is using a phone.