context: There is a better than even chance that Brian is a rhino. It is highly likely that Mary went to the kitchen. It is highly unlikely that Daniel left the milk. It is certain that if Brian is a rhino, or Daniel left the milk, then Greg is gray. There is almost no chance that if Brian is a rhino, and Mary went to the kitchen, then Julius is a swan. It is likely that if either Mary went to the kitchen, or Brian is a rhino, then Bernhard is green.
hypothesis: There is a better than even chance that either Brian is a rhino, or Julius is a swan.
valid_hypothesis: There is a better than even chance that either Brian is a rhino, or Julius is a swan.
invalid_hypothesis: It is highly unlikely that either Brian is a rhino, or Julius is a swan.
hypothesis_assertion: Either Brian is a rhino, or Julius is a swan.