Anchor: This man is pulling some rocks out of a pit with a box attached to a rope.
Entailed: the man is pulling the rocks out of the hole
Contradiction: the workers are digging a hole in the mud
Contradiction: I am positive that there is no more information needed.
Contradiction: Some people are rafting.
Contradiction: The only way to see what is in the chateau is to take a guided tour.
Contradiction: There is a band playing music on the street.