context: It is probably not the case that Winona is a cat. It is likely that Mary left the milk. There is almost no chance that Brian is a lion.
hypothesis: There is little chance that winona is a cat, or Mary left the milk.
valid_hypothesis: We believe that winona is a cat, or Mary left the milk.
invalid_hypothesis: There is little chance that winona is a cat, or Mary left the milk.
hypothesis_assertion: Winona is a cat, or Mary left the milk.