context: We doubt that Mary went to the bedroom. It is highly likely that Brian is green. There is little chance that John got the milk. It is probably the case that if either Mary went to the bedroom, or John got the milk, then Daniel left the milk. There is little chance that if either Brian is green, or Mary went to the bedroom, then Antoine is thirsty. There is a better than even chance that if either Brian is green, or John got the milk, then Bernhard is gray.
hypothesis: There is a better than even chance that either John got the milk, or Bernhard is gray.
valid_hypothesis: There is a better than even chance that either John got the milk, or Bernhard is gray.
invalid_hypothesis: There is little chance that either John got the milk, or Bernhard is gray.
hypothesis_assertion: Either John got the milk, or Bernhard is gray.