context: It is certain that Bill dropped the milk. It is highly unlikely that Lily is a lion. There is little chance that Bernhard is a swan. It is almost certain that if Lily is a lion, and Bill dropped the milk, then Sandra took the football. It is likely that if Bernhard is a swan, and Bill dropped the milk, then Julius is a frog. It is improbable that if either Bill dropped the milk, or Bernhard is a swan, then Greg is a rhino.
hypothesis: It is almost certain that either Bill dropped the milk, or Julius is a frog.
valid_hypothesis: It is almost certain that either Bill dropped the milk, or Julius is a frog.
invalid_hypothesis: It is improbable that either Bill dropped the milk, or Julius is a frog.
hypothesis_assertion: Either Bill dropped the milk, or Julius is a frog.