context: Chances are about even that Mary picked up the milk. We doubt that Jessica is a wolf. It is probable that Bernhard is a frog. It is likely that if either Mary picked up the milk, or Jessica is a wolf, then Julius is a swan. It is probably the case that if either Bernhard is a frog, or Mary picked up the milk, then Greg is a rhino. It is unlikely that if Mary picked up the milk, or Jessica is a wolf, then Fred went to the kitchen.
hypothesis: It is almost certain that jessica is a wolf, and Mary picked up the milk.
valid_hypothesis: It is improbable that jessica is a wolf, and Mary picked up the milk.
invalid_hypothesis: It is almost certain that jessica is a wolf, and Mary picked up the milk.
hypothesis_assertion: Jessica is a wolf, and Mary picked up the milk.