context: There is almost no chance that Lily is white. It is unlikely that Greg is a frog. We doubt that John went to the hallway. There is almost no chance that if either Lily is white, or John went to the hallway, then Julius is gray. It is probably the case that if John went to the hallway, or Greg is a frog, then Sandra got the apple. Chances are about even that if John went to the hallway, or Greg is a frog, then Brian is a lion.
hypothesis: It is probably not the case that brian is a lion, or Sandra got the apple.
valid_hypothesis: It is probably not the case that brian is a lion, or Sandra got the apple.
invalid_hypothesis: It is probably the case that brian is a lion, or Sandra got the apple.
hypothesis_assertion: Brian is a lion, or Sandra got the apple.