context: Chances are about even that Yann is tired. It is unlikely that Lily is a rhino. It is improbable that Bernhard is yellow. It is probably the case that if Lily is a rhino, or Bernhard is yellow, then John went to the garden. It is probably the case that if Lily is a rhino, or Yann is tired, then Mary moved to the office. We doubt that if either Bernhard is yellow, or Yann is tired, then Greg is a frog.
hypothesis: Chances are about even that bernhard is yellow, or Mary moved to the office.
valid_hypothesis: Chances are about even that bernhard is yellow, or Mary moved to the office.
invalid_hypothesis: It is almost certain that bernhard is yellow, or Mary moved to the office.
hypothesis_assertion: Bernhard is yellow, or Mary moved to the office.