context: It is improbable that John went to the bedroom. Chances are slight that Brian is a frog. Chances are slight that Lily is a swan. There is little chance that if Lily is a swan, or Brian is a frog, then Mary moved to the garden. It is probable that if either Brian is a frog, or Lily is a swan, then Julius is gray. It is unlikely that if either Lily is a swan, or Brian is a frog, then Greg is yellow.
hypothesis: It is probably the case that mary moved to the garden, and Julius is gray.
valid_hypothesis: There is almost no chance that mary moved to the garden, and Julius is gray.
invalid_hypothesis: It is probably the case that mary moved to the garden, and Julius is gray.
hypothesis_assertion: Mary moved to the garden, and Julius is gray.