context: Chances are about even that Brian is a rhino. It is improbable that Mary is in the kitchen. It is almost certain that Greg is a lion.
hypothesis: It is highly unlikely that mary is in the kitchen, or Greg is a lion.
valid_hypothesis: It is almost certain that mary is in the kitchen, or Greg is a lion.
invalid_hypothesis: It is highly unlikely that mary is in the kitchen, or Greg is a lion.
hypothesis_assertion: Mary is in the kitchen, or Greg is a lion.