context: It is unlikely that Lily is green. We doubt that Julius is a rhino. It is probable that Mary grabbed the milk. There is little chance that if Mary grabbed the milk, or Julius is a rhino, then Bernhard is a swan. Chances are about even that if either Lily is green, or Julius is a rhino, then Brian is white. It is highly likely that if either Julius is a rhino, or Lily is green, then Emily is a wolf.
hypothesis: It is probably the case that bernhard is a swan, and Lily is green.
valid_hypothesis: There is almost no chance that bernhard is a swan, and Lily is green.
invalid_hypothesis: It is probably the case that bernhard is a swan, and Lily is green.
hypothesis_assertion: Bernhard is a swan, and Lily is green.