premise: A group of people in jackets and hats are kneeling outside posing for a picture, each one with their dog by them on a leash. hypothesis: A group of people holding cats take a picture.
contradiction: If they get picture with dog by them, they are not holding cats.|contradiction: Cats and dogs are contradictory breeds. Taking a picture and posing for a picture refer to one performing the task and another being the reason (or part of the reason) for the task.|contradiction: A group is either holding cats or are with their dog.