context: There is a better than even chance that Lily is a lion. It is probably the case that Julius is a rhino. There is little chance that Greg is yellow. We believe that if Greg is yellow, or Lily is a lion, then Fred went to the hallway. It is highly likely that if Lily is a lion, and Julius is a rhino, then Mary is in the park. It is probably the case that if Greg is yellow, and Julius is a rhino, then Bernhard is green.
hypothesis: It is highly unlikely that mary is in the park, or Lily is a lion.
valid_hypothesis: There is a better than even chance that mary is in the park, or Lily is a lion.
invalid_hypothesis: It is highly unlikely that mary is in the park, or Lily is a lion.
hypothesis_assertion: Mary is in the park, or Lily is a lion.