Anchor: People fishing off of a boardwalk
Entailed: The people are fishing.
Contradiction: The people are gathered around a campfire.
Contradiction: The two programs won't increase in price in the future.
Contradiction: The tree trunks were petrified in volcanic ash over the course of many years.
Contradiction: The irrigation system of the garden is of Australian design.
Contradiction: Two dogs are facing each other.