context: It is unlikely that Brian is a lion. There is a better than even chance that Jeff discarded the milk. It is highly likely that John put down the milk. It is certain that if Brian is a lion, or John put down the milk, then Sandra left the apple. It is unlikely that if Brian is a lion, and Jeff discarded the milk, then Mary is in the bedroom. It is highly unlikely that if Jeff discarded the milk, or Brian is a lion, then Greg is white.
hypothesis: It is almost certain that brian is a lion, and Mary is in the bedroom.
valid_hypothesis: There is almost no chance that brian is a lion, and Mary is in the bedroom.
invalid_hypothesis: It is almost certain that brian is a lion, and Mary is in the bedroom.
hypothesis_assertion: Brian is a lion, and Mary is in the bedroom.