Anchor: In the liquid state, it was jet black, though it cooled back to complete transparency.
Entailed: It was jet black until cooled. 
Contradiction: It stayed jet black in every state. 
Contradiction: The men were inside of the mens bathroom.
Contradiction: There are two men on a bench.
Contradiction: Oh, of course, I see it clearly, Poirot raised his arm.
Contradiction: A child swims.