Anchor: The man has a dog on a leash and appears to be teaching it to stand on its hind legs.
Entailed: The man has a dog and he is teaching it to stand on its hind
Contradiction: Appears to be teaching it to stand he man has a dog
Contradiction: They said The Exorcist was funny but i was terrified!
Contradiction: Exchange revenue gives a retirement plan and offsets the entity's gross cost. 
Contradiction: the people are flying a plane
Contradiction: Two people are walking down a sidewalk.