context: It is probably the case that Lily is green. There is a better than even chance that Brian is a rhino. It is highly likely that John moved to the office. It is almost certain that if either John moved to the office, or Brian is a rhino, then Julius is gray. There is a very good chance that if Brian is a rhino, or Lily is green, then Greg is a swan. It is certain that if either John moved to the office, or Brian is a rhino, then Sandra left the milk.
hypothesis: There is a better than even chance that either Greg is a swan, or Julius is gray.
valid_hypothesis: There is a better than even chance that either Greg is a swan, or Julius is gray.
invalid_hypothesis: Chances are slight that either Greg is a swan, or Julius is gray.
hypothesis_assertion: Either Greg is a swan, or Julius is gray.