premise: a man standing against a building, in the sunlight, as you can see the shadow of the person taking his picture. hypothesis: There is a photographer taking a photo of a man indoors.
contradiction: The man cannot be standing against a building and be indoors simultaneously.|contradiction: The man cannot be indoors and outdoors in the sunlight at the same time.|contradiction: If a person is taking his picture in the sunlight, he cannot be taking his photo indoors.