Anchor: People are tackling each other while playing football.
Entailed: People are engaging in a contact sport.
Contradiction: People are playing catch with a baseball.
Contradiction: The group of people are standing on a roof with hammers in their hands.
Contradiction: The man pounded on the door to Leastways Cottage.
Contradiction: All legal needs of the poor are being met by the legal profession. 
Contradiction: A person is smoking a cig.