context: It is probably the case that Bernhard is gray. It is probably the case that Julius is a frog. We doubt that John grabbed the milk.
hypothesis: We believe that julius is a frog, or John grabbed the milk.
valid_hypothesis: We believe that julius is a frog, or John grabbed the milk.
invalid_hypothesis: We doubt that julius is a frog, or John grabbed the milk.
hypothesis_assertion: Julius is a frog, or John grabbed the milk.