Anchor: A crowd of people, some standing by a river, some in the river with old buildings in the background.
Entailed: The people are outside by a river.
Contradiction: a deer drinks from a river alone
Contradiction: The boys are swimming in an abandoned part of the river two miles outside of town.
Contradiction: A crowd of people are in a desert.
Contradiction: A group of people are sitting on a sofa in the living room, watching a fishing program on the television.
Contradiction: People are swimming in the lake.