context: Chances are about even that Julius is a swan. There is almost no chance that Mary went to the office. There is a better than even chance that Lily is a rhino. There is almost no chance that if Julius is a swan, and Mary went to the office, then Bernhard is yellow. There is almost no chance that if Julius is a swan, or Lily is a rhino, then Greg is a frog. Chances are slight that if either Mary went to the office, or Julius is a swan, then John discarded the milk.
hypothesis: It is improbable that bernhard is yellow, or Lily is a rhino.
valid_hypothesis: There is a better than even chance that bernhard is yellow, or Lily is a rhino.
invalid_hypothesis: It is improbable that bernhard is yellow, or Lily is a rhino.
hypothesis_assertion: Bernhard is yellow, or Lily is a rhino.