Anchor: overhead cam diesel engine that represented a quantum leap in performance beyond Cummins' existing products.
Entailed: Representing a quantum leap in performance was the overhead cam diesel engine.
Contradiction: The overhead cam diesel engine was nothing out of the ordinary compared to the performance of Cummins' current line.
Contradiction: A man is wearing a plain blue shirt.
Contradiction: Instead, I felt fatigued for the duration on the day.
Contradiction: The tennis balls were travelling at 2 miles per hour.
Contradiction: There are people outside.