context: It is certain that Greg is a rhino. There is a very good chance that John went to the garden. It is probably not the case that Julius is white. Chances are about even that if John went to the garden, or Greg is a rhino, then Lily is a frog. It is almost certain that if either Greg is a rhino, or John went to the garden, then Brian is a lion. It is highly likely that if Greg is a rhino, or John went to the garden, then Jessica is a wolf.
hypothesis: There is almost no chance that either John went to the garden, or Brian is a lion.
valid_hypothesis: It is certain that either John went to the garden, or Brian is a lion.
invalid_hypothesis: There is almost no chance that either John went to the garden, or Brian is a lion.
hypothesis_assertion: Either John went to the garden, or Brian is a lion.