context: It is certain that Lily is white. There is a better than even chance that Bernhard is a lion. It is certain that John grabbed the milk. It is highly unlikely that if Bernhard is a lion, or John grabbed the milk, then Sandra left the football. It is probably the case that if John grabbed the milk, or Lily is white, then Mary went to the hallway. It is unlikely that if either Bernhard is a lion, or Lily is white, then Julius is a swan.
hypothesis: It is improbable that john grabbed the milk, or Julius is a swan.
valid_hypothesis: It is certain that john grabbed the milk, or Julius is a swan.
invalid_hypothesis: It is improbable that john grabbed the milk, or Julius is a swan.
hypothesis_assertion: John grabbed the milk, or Julius is a swan.