premise: Two dogs are running next to each other on a grassy hill. hypothesis: The dogs are eating their food indoors.
contradiction: The dogs are either eating or they are running but not both at the same time, and they are either on a grassy hill or are indoors, but not both simultaneously.|contradiction: While the dogs are running next to each other on a grassy hill, how could be come for eating their food indoors. They may be either in th grassy hill or indoors.|contradiction: running and eating cannot be done simultaneously. the dogs cannot be indoors and in the grassy hills at he same time.