Anchor: The man is working hard to use the saw to cut the logs.
Entailed: A man is cutting logs.
Contradiction: A saw is being used.
Contradiction: A woman in black bursts through the office doors, having had quite enough of all that.
Contradiction: The room where the virgin Mary slept is in here. 
Contradiction: A man is wearing a black shirt
Contradiction: I am proud to be Jewish.