context: There is a better than even chance that Winona is a cat. We doubt that Brian is yellow. It is likely that Julius is a rhino. There is a better than even chance that if either Brian is yellow, or Julius is a rhino, then Jessica is a mouse. It is highly unlikely that if Winona is a cat, and Brian is yellow, then Bernhard is a frog. Chances are about even that if either Winona is a cat, or Julius is a rhino, then Mary dropped the milk.
hypothesis: Chances are about even that either Jessica is a mouse, or Mary dropped the milk.
valid_hypothesis: Chances are about even that either Jessica is a mouse, or Mary dropped the milk.
invalid_hypothesis: It is impossible that either Jessica is a mouse, or Mary dropped the milk.
hypothesis_assertion: Either Jessica is a mouse, or Mary dropped the milk.