context: It is probably not the case that Brian is gray. It is improbable that Mary moved to the garden. It is unlikely that Lily is gray. It is probably not the case that if either Mary moved to the garden, or Brian is gray, then Daniel dropped the milk. It is probably not the case that if Mary moved to the garden, or Lily is gray, then Bill went to the office. Chances are about even that if either Brian is gray, or Mary moved to the garden, then Bernhard is a rhino.
hypothesis: It is improbable that daniel dropped the milk, or Bill went to the office.
valid_hypothesis: It is improbable that daniel dropped the milk, or Bill went to the office.
invalid_hypothesis: There is a better than even chance that daniel dropped the milk, or Bill went to the office.
hypothesis_assertion: Daniel dropped the milk, or Bill went to the office.