Anchor: Footsteps going up the stairs.
Entailed: There was a sound of someone walking up stairs.
Contradiction: It was completely silent.
Contradiction: a dog is eating out of his bowl
Contradiction: Balanced performance measurement scorecards have measures focusing on quality, cycle time and cost. 
Contradiction: The three people are on the couch watching television.
Contradiction: a woman motions to a child in the house