context: Chances are slight that Brian is a frog. We doubt that John went to the hallway. It is highly likely that Sandra dropped the milk. It is highly likely that if either Sandra dropped the milk, or Brian is a frog, then Jessica is a mouse. It is probably not the case that if John went to the hallway, and Brian is a frog, then Bernhard is gray. It is likely that if John went to the hallway, and Sandra dropped the milk, then Winona is a wolf.
hypothesis: There is a better than even chance that bernhard is gray, or Winona is a wolf.
valid_hypothesis: Chances are slight that bernhard is gray, or Winona is a wolf.
invalid_hypothesis: There is a better than even chance that bernhard is gray, or Winona is a wolf.
hypothesis_assertion: Bernhard is gray, or Winona is a wolf.