Anchor: Two children sitting atop a large yellow bounce toy.
Entailed: Two kids playing with their toy.
Contradiction: Two children is sleeping.
Contradiction: At lower per capita volumes, a lesser proportion of total costs is fixed. 
Contradiction: A coyote-like dog jumps to catch a ball.
Contradiction: A person is flying in a plane.
Contradiction: There is a person dressed up colorfuly.