Anchor: A person in a red shirt is riding a bicycle along a dirt trail.
Entailed: A person in a shirt is riding a bicycle along a dirt trail.
Contradiction: A person in a blue shirt is riding a bicycle along a dirt trail.
Contradiction: Motocross riders are riding on the highway.
Contradiction: There is an animal outdoors.
Contradiction: It wasn't an impulsive buy; I put so much thought into it. 
Contradiction: Nine people near a wine store on Larkin street.