context: It is unlikely that Greg is yellow. It is highly likely that Lily is white. It is highly likely that Bernhard is a swan. It is highly likely that if Greg is yellow, or Bernhard is a swan, then Mary got the milk. It is likely that if Greg is yellow, or Bernhard is a swan, then John put down the apple. It is highly likely that if Greg is yellow, or Bernhard is a swan, then Brian is a frog.
hypothesis: There is little chance that bernhard is a swan, or Greg is yellow.
valid_hypothesis: It is highly likely that bernhard is a swan, or Greg is yellow.
invalid_hypothesis: There is little chance that bernhard is a swan, or Greg is yellow.
hypothesis_assertion: Bernhard is a swan, or Greg is yellow.