Anchor: First Class and Standard A, and if the fundamental distinction between the two was service, one would expect a moderate rate difference based on a real service difference.
Entailed: If the fundamental distinction between the two was service, one can expect a moderate rate difference.
Contradiction: There are no differences between First Class and Standard A.
Contradiction: The men are arguing.
Contradiction: Civil war was feared at a time when gang violence was present in Jamaica.
Contradiction: a man and boy are riding a roller coaster
Contradiction: A firefighter sets up a do not cross