premise: Man and women standing under a red umbrella. hypothesis: The two woman stood under the black umbrella.
contradiction: It is unclear what the genders of the two people are(man and woman or two women) and what color umbrella they are standing under (red or black).|contradiction: Either a man and woman are standing under a red umbrella, or two women are standing under a black umbrella; both cannot be happening simultaneously given the same subjects.|contradiction: If there is a man and woman, there cannot be two women.