context: Chances are about even that Emily is a wolf. It is probably not the case that Brian is a lion. It is certain that Sandra left the apple. It is highly unlikely that if Emily is a wolf, and Brian is a lion, then Greg is a rhino. It is unlikely that if Sandra left the apple, and Emily is a wolf, then John went to the hallway. It is probably the case that if Sandra left the apple, or Brian is a lion, then Mary moved to the office.
hypothesis: It is probably not the case that john went to the hallway, or Brian is a lion.
valid_hypothesis: It is probably not the case that john went to the hallway, or Brian is a lion.
invalid_hypothesis: It is likely that john went to the hallway, or Brian is a lion.
hypothesis_assertion: John went to the hallway, or Brian is a lion.