context: There is a very good chance that Julius is gray. It is highly unlikely that Greg is yellow. It is probably not the case that John is in the bedroom. It is almost certain that if either John is in the bedroom, or Julius is gray, then Bernhard is a lion. It is improbable that if Julius is gray, and Greg is yellow, then Lily is a frog. There is a better than even chance that if Greg is yellow, or Julius is gray, then Mary went to the office.
hypothesis: Chances are about even that either Mary went to the office, or Greg is yellow.
valid_hypothesis: Chances are about even that either Mary went to the office, or Greg is yellow.
invalid_hypothesis: It is impossible that either Mary went to the office, or Greg is yellow.
hypothesis_assertion: Either Mary went to the office, or Greg is yellow.