context: It is unlikely that Julius is white. Chances are slight that Mary dropped the milk. It is improbable that Jessica is a mouse. There is a very good chance that if either Mary dropped the milk, or Jessica is a mouse, then Bernhard is a rhino. It is highly likely that if either Mary dropped the milk, or Julius is white, then Brian is a lion. There is little chance that if either Jessica is a mouse, or Mary dropped the milk, then John went to the garden.
hypothesis: It is probably not the case that mary dropped the milk, or Julius is white.
valid_hypothesis: It is probably not the case that mary dropped the milk, or Julius is white.
invalid_hypothesis: It is probable that mary dropped the milk, or Julius is white.
hypothesis_assertion: Mary dropped the milk, or Julius is white.