context: It is improbable that Lily is green. It is certain that Brian is gray. It is probably not the case that Julius is a rhino. It is likely that if either Brian is gray, or Julius is a rhino, then Bernhard is yellow. It is unlikely that if either Brian is gray, or Julius is a rhino, then Mary is in the park. It is highly unlikely that if Julius is a rhino, and Lily is green, then Sandra grabbed the milk.
hypothesis: Chances are about even that mary is in the park, or Julius is a rhino.
valid_hypothesis: Chances are about even that mary is in the park, or Julius is a rhino.
invalid_hypothesis: It is highly unlikely that mary is in the park, or Julius is a rhino.
hypothesis_assertion: Mary is in the park, or Julius is a rhino.