Anchor: A man is riding a bicycle down a road while being closely followed by a German shepherd and possibly a black Labrador as two younger men walk along the curb toward them.
Entailed: a man rides a bicycle
Contradiction: Cats are following a man on a bicycle.
Contradiction: The dogs are riding bicycles.
Contradiction: The man is fixing a ceiling fan.
Contradiction: the man is in a space ship
Contradiction: Only one person.