Anchor: A group of men are planting a tree.
Entailed: There are some people and a plant.
Contradiction: The children are chopping down a tree.
Contradiction: Everyone know that the Norplant option is very beneficial.
Contradiction: The doctor was introduced to them by him.
Contradiction: A person in orange pants is snowboarding in an event sponsored by the Diners Club.
Contradiction: people hiking