Anchor: Children playing in front of a sign for the "Hartman Prehistoric Garden".
Entailed: The childen are playing outside.
Contradiction: Some children are sitting on the grass in a circle reading books.
Contradiction: The city is completely empty.
Contradiction: The children are white river rafting down the Colorado River.
Contradiction: The children are sitting outside in the rain.
Contradiction: The people playing are old men.