Anchor: A group of skaters are at a skate park.
Entailed: There are some people skating.
Contradiction: People are at a dog park.
Contradiction: Westernization happened slowly and steadily without anybody noticing.
Contradiction: They had four legs between the two of them.
Contradiction: The group could only handle 100 cases a year.
Contradiction: You can upgrade to Next Day Air Shipping.