Anchor: Two cows stand in front of people riding a bus.
Entailed: Two cows are in front of a bus
Contradiction: 3 cows are in front of a car
Contradiction: An empty field
Contradiction: Limestone is used the most with the amount of its use depending on coal silver levels 
Contradiction: Paul Cezanne lived most of his life in Canada, and never visited France.
Contradiction: The man is working on a house.