Anchor: A woman is walking across a street in front of two buses which are green and blue.
Entailed: A woman is walking.
Contradiction: A woman is sitting in a theater.
Contradiction: There is no program in place to ensure that one author doesn't duplicate the work of another author. 
Contradiction: It took less than three weeks for General Miles to gain control of the island.
Contradiction: The bakery menu is green
Contradiction: A car pulls cargo