context: There is almost no chance that Greg is a frog. It is probably not the case that Brian is a lion. There is a better than even chance that Lily is gray. It is highly unlikely that if either Brian is a lion, or Lily is gray, then Daniel dropped the milk. Chances are slight that if either Greg is a frog, or Brian is a lion, then Mary got the milk. It is highly likely that if either Brian is a lion, or Lily is gray, then Bernhard is green.
hypothesis: Chances are about even that mary got the milk, or Bernhard is green.
valid_hypothesis: Chances are about even that mary got the milk, or Bernhard is green.
invalid_hypothesis: It is almost certain that mary got the milk, or Bernhard is green.
hypothesis_assertion: Mary got the milk, or Bernhard is green.