context: It is highly likely that Greg is yellow. There is a better than even chance that Sandra left the apple. It is likely that John went to the bedroom. There is little chance that if either John went to the bedroom, or Sandra left the apple, then Jeff discarded the milk. It is probably the case that if Greg is yellow, or John went to the bedroom, then Bernhard is a lion. Chances are about even that if either Sandra left the apple, or John went to the bedroom, then Julius is a frog.
hypothesis: It is likely that john went to the bedroom, and Julius is a frog.
valid_hypothesis: There is little chance that john went to the bedroom, and Julius is a frog.
invalid_hypothesis: It is likely that john went to the bedroom, and Julius is a frog.
hypothesis_assertion: John went to the bedroom, and Julius is a frog.