context: There is almost no chance that Greg is a swan. It is probable that Bernhard is gray. There is almost no chance that Daniel dropped the milk. It is highly unlikely that if Daniel dropped the milk, and Greg is a swan, then Mary went to the bedroom. It is probable that if either Daniel dropped the milk, or Bernhard is gray, then Julius is green. It is certain that if either Greg is a swan, or Daniel dropped the milk, then John moved to the office.
hypothesis: There is almost no chance that either John moved to the office, or Daniel dropped the milk.
valid_hypothesis: There is almost no chance that either John moved to the office, or Daniel dropped the milk.
invalid_hypothesis: Chances are about even that either John moved to the office, or Daniel dropped the milk.
hypothesis_assertion: Either John moved to the office, or Daniel dropped the milk.