context: We believe that Julius is a frog. Chances are about even that John took the milk. It is probable that Greg is a rhino.
hypothesis: There is almost no chance that either Julius is a frog, or Greg is a rhino.
valid_hypothesis: Chances are about even that either Julius is a frog, or Greg is a rhino.
invalid_hypothesis: There is almost no chance that either Julius is a frog, or Greg is a rhino.
hypothesis_assertion: Either Julius is a frog, or Greg is a rhino.