premise: An old man in a gray shirt smiles at the camera while doing laundry in a small room. hypothesis: The man frowns at the camera.
contradiction: The man either smiles or frowns at the camera.|contradiction: A man who smiles can't be frowning at the same time.|contradiction: The man "smiles at the camera" and "frowns at the camera," two actions that can't be completed at the same time.