context: We believe that Bernhard is a frog. It is probably not the case that Julius is a frog. It is unlikely that Lily is a rhino. We doubt that if Julius is a frog, and Bernhard is a frog, then Greg is a lion. We doubt that if Julius is a frog, or Bernhard is a frog, then Brian is gray. There is almost no chance that if Julius is a frog, or Lily is a rhino, then Mary went to the kitchen.
hypothesis: Chances are about even that julius is a frog, or Lily is a rhino.
valid_hypothesis: Chances are about even that julius is a frog, or Lily is a rhino.
invalid_hypothesis: There is almost no chance that julius is a frog, or Lily is a rhino.
hypothesis_assertion: Julius is a frog, or Lily is a rhino.