premise: A professional baseball catcher and behind him an umpire are knelt in action position and are awaiting the pitch. hypothesis: There are a group of people hiking Mt Fiji.
contradiction: It is not possible to be playing baseball and hiking Mt Fiji at the same time.|contradiction: The baseball catcher and umpire are playing and officiating baseball which you could not do while hiking Mt. Fiji.|contradiction: If a baseball catcher and an umpire are awaiting the pitch they are not hiking Mt. Fiji.