context: There is a very good chance that Brian is green. There is almost no chance that Lily is a rhino. It is unlikely that Julius is a frog. Chances are slight that if Brian is green, and Julius is a frog, then Sandra grabbed the apple. There is almost no chance that if Lily is a rhino, and Brian is green, then Bernhard is a swan. It is highly unlikely that if either Brian is green, or Lily is a rhino, then John got the milk.
hypothesis: It is unlikely that either Julius is a frog, or John got the milk.
valid_hypothesis: It is unlikely that either Julius is a frog, or John got the milk.
invalid_hypothesis: It is likely that either Julius is a frog, or John got the milk.
hypothesis_assertion: Either Julius is a frog, or John got the milk.