Anchor: The 1960 World Book says that means Missouri supports itself and the United States, although it looks more like a poster for animal boxing, which might be the state sport of Missouri.
Entailed: The 1960 World Book talks about Missouri.
Contradiction: Missouri is not included in that book.
Contradiction: They stepped in the car and drove off.
Contradiction: Three people are walking.
Contradiction: There are people eating.
Contradiction: Children enjoy swimming together.