context: We believe that Daniel left the apple. There is little chance that Mary grabbed the milk. It is certain that Bernhard is gray. There is a better than even chance that if Mary grabbed the milk, or Bernhard is gray, then Bill went to the hallway. It is highly likely that if Daniel left the apple, or Bernhard is gray, then Lily is a swan. It is certain that if either Mary grabbed the milk, or Bernhard is gray, then John picked up the apple.
hypothesis: There is almost no chance that either Daniel left the apple, or Mary grabbed the milk.
valid_hypothesis: It is probably the case that either Daniel left the apple, or Mary grabbed the milk.
invalid_hypothesis: There is almost no chance that either Daniel left the apple, or Mary grabbed the milk.
hypothesis_assertion: Either Daniel left the apple, or Mary grabbed the milk.