context: We doubt that Lily is green. There is almost no chance that John got the apple. It is almost certain that Mary dropped the milk. It is improbable that if either Mary dropped the milk, or John got the apple, then Greg is yellow. It is impossible that if either John got the apple, or Mary dropped the milk, then Julius is white. There is a better than even chance that if John got the apple, or Lily is green, then Julie is in the bedroom.
hypothesis: It is almost certain that either John got the apple, or Mary dropped the milk.
valid_hypothesis: It is almost certain that either John got the apple, or Mary dropped the milk.
invalid_hypothesis: There is almost no chance that either John got the apple, or Mary dropped the milk.
hypothesis_assertion: Either John got the apple, or Mary dropped the milk.