context: We believe that Greg is yellow. There is a better than even chance that Bernhard is green. It is highly likely that Lily is a rhino. It is likely that if Lily is a rhino, and Greg is yellow, then Julius is yellow. It is unlikely that if Greg is yellow, or Bernhard is green, then Brian is a lion. There is a very good chance that if Greg is yellow, or Bernhard is green, then Mary dropped the milk.
hypothesis: Chances are about even that mary dropped the milk, and Bernhard is green.
valid_hypothesis: Chances are about even that mary dropped the milk, and Bernhard is green.
invalid_hypothesis: There is almost no chance that mary dropped the milk, and Bernhard is green.
hypothesis_assertion: Mary dropped the milk, and Bernhard is green.