Anchor: Men in red bowties are singing in a choir.
Entailed: A choir sings.
Contradiction: Men in red ties studied quietly in a library.
Contradiction: There are not lot of nature trails where they can learn about nature.
Contradiction: A worker is engaged in an acitivity.
Contradiction: A teenager is playing with a skateboard.
Contradiction: A group gazes at wildlife from a structure on the side of a building.