context: We believe that Bernhard is a lion. There is a better than even chance that Winona is a mouse. It is probably the case that Brian is gray. It is certain that if either Brian is gray, or Winona is a mouse, then Greg is yellow. We doubt that if Brian is gray, or Winona is a mouse, then Fred is in the school. It is impossible that if Bernhard is a lion, and Brian is gray, then Jeff dropped the apple.
hypothesis: We doubt that winona is a mouse, or Bernhard is a lion.
valid_hypothesis: It is highly likely that winona is a mouse, or Bernhard is a lion.
invalid_hypothesis: We doubt that winona is a mouse, or Bernhard is a lion.
hypothesis_assertion: Winona is a mouse, or Bernhard is a lion.