context: Chances are about even that John went to the hallway. It is certain that Greg is a frog. We believe that Emily is a sheep. It is unlikely that if Greg is a frog, or Emily is a sheep, then Daniel is in the garden. There is almost no chance that if either John went to the hallway, or Emily is a sheep, then Julius is white. It is probable that if Emily is a sheep, or John went to the hallway, then Brian is gray.
hypothesis: Chances are about even that either Julius is white, or John went to the hallway.
valid_hypothesis: Chances are about even that either Julius is white, or John went to the hallway.
invalid_hypothesis: It is certain that either Julius is white, or John went to the hallway.
hypothesis_assertion: Either Julius is white, or John went to the hallway.