context: It is probably the case that John left the apple. There is a very good chance that Julius is a rhino. It is highly unlikely that Bernhard is white. It is highly unlikely that if Julius is a rhino, or Bernhard is white, then Brian is a frog. There is almost no chance that if Julius is a rhino, and Bernhard is white, then Mary discarded the milk. It is probable that if Bernhard is white, or Julius is a rhino, then Jessica is a wolf.
hypothesis: We doubt that either Julius is a rhino, or Mary discarded the milk.
valid_hypothesis: There is a very good chance that either Julius is a rhino, or Mary discarded the milk.
invalid_hypothesis: We doubt that either Julius is a rhino, or Mary discarded the milk.
hypothesis_assertion: Either Julius is a rhino, or Mary discarded the milk.