Anchor: The brown dog runs on the snow with a white ball in his mouth.
Entailed: A dog plays in the winter time.
Contradiction: The dog is asleep.
Contradiction: the two girls are playing house
Contradiction: He went to his mother as I unbolted the door. 
Contradiction: The boys are working on their skateboards.
Contradiction: You've got to do something when the weeds come up.