Anchor: a large group of bicycles racing on the street
Entailed: There are bicycles on the street.
Contradiction: The bicycle race was canceled because of the need for road repair.
Contradiction: A man is ordering food at Taco Bell.
Contradiction: We have to be so smart that the man does not expect us to be smart.
Contradiction: I was thinking I might never get married and have kids.
Contradiction: A dog is running in the snow.