context: It is impossible that Julie is in the kitchen. Chances are about even that Lily is green. It is likely that Bernhard is a swan. It is highly unlikely that if either Bernhard is a swan, or Lily is green, then Greg is gray. There is little chance that if Lily is green, or Bernhard is a swan, then John went to the bedroom. It is probable that if Bernhard is a swan, or Lily is green, then Mary moved to the garden.
hypothesis: There is almost no chance that mary moved to the garden, and Greg is gray.
valid_hypothesis: There is almost no chance that mary moved to the garden, and Greg is gray.
invalid_hypothesis: It is almost certain that mary moved to the garden, and Greg is gray.
hypothesis_assertion: Mary moved to the garden, and Greg is gray.