context: There is little chance that Lily is gray. It is highly likely that Bernhard is a lion. It is highly likely that Julius is a rhino. It is impossible that if Lily is gray, or Bernhard is a lion, then John picked up the apple. There is almost no chance that if Julius is a rhino, or Bernhard is a lion, then Mary left the milk. It is likely that if Bernhard is a lion, or Julius is a rhino, then Brian is yellow.
hypothesis: Chances are slight that brian is yellow, and Julius is a rhino.
valid_hypothesis: There is a better than even chance that brian is yellow, and Julius is a rhino.
invalid_hypothesis: Chances are slight that brian is yellow, and Julius is a rhino.
hypothesis_assertion: Brian is yellow, and Julius is a rhino.