context: It is almost certain that Julius is gray. It is probably the case that Brian is a rhino. There is almost no chance that Bernhard is a swan. There is a very good chance that if Brian is a rhino, and Julius is gray, then Julie is in the bedroom. There is little chance that if either Julius is gray, or Bernhard is a swan, then Lily is white. We doubt that if either Bernhard is a swan, or Brian is a rhino, then Mary left the milk.
hypothesis: Chances are slight that julius is gray, and Brian is a rhino.
valid_hypothesis: It is likely that julius is gray, and Brian is a rhino.
invalid_hypothesis: Chances are slight that julius is gray, and Brian is a rhino.
hypothesis_assertion: Julius is gray, and Brian is a rhino.