context: It is unlikely that Greg is gray. There is a better than even chance that Jeff went to the kitchen. It is unlikely that John left the apple. There is almost no chance that if either Greg is gray, or John left the apple, then Bernhard is white. There is a better than even chance that if either Greg is gray, or John left the apple, then Mary moved to the office. It is probable that if Greg is gray, or John left the apple, then Gertrude is a mouse.
hypothesis: We doubt that either John left the apple, or Bernhard is white.
valid_hypothesis: We doubt that either John left the apple, or Bernhard is white.
invalid_hypothesis: It is almost certain that either John left the apple, or Bernhard is white.
hypothesis_assertion: Either John left the apple, or Bernhard is white.