Anchor: (This small difference would be further reduced if retail activities of rural carriers were not counted.)
Entailed: If retail activities of rural carriers were not counted, then this slight difference would be further reduced.
Contradiction: The gap would become wider if we did not consider retail activities of rural carriers.
Contradiction: A boy is wearing boots.
Contradiction: A girl is exploring the rocks in the river.
Contradiction: Kids are running by the hospital.
Contradiction: The brightly light concert hall held an orchestra.