context: There is almost no chance that Lily is white. We doubt that Bernhard is a lion. It is almost certain that Greg is a rhino. Chances are slight that if Greg is a rhino, and Lily is white, then Brian is green. It is likely that if Lily is white, and Bernhard is a lion, then John discarded the milk. We doubt that if either Lily is white, or Bernhard is a lion, then Fred dropped the apple.
hypothesis: It is probable that either John discarded the milk, or Bernhard is a lion.
valid_hypothesis: We doubt that either John discarded the milk, or Bernhard is a lion.
invalid_hypothesis: It is probable that either John discarded the milk, or Bernhard is a lion.
hypothesis_assertion: Either John discarded the milk, or Bernhard is a lion.