context: We doubt that John got the milk. It is probably the case that Mary put down the apple. It is likely that Bernhard is a frog.
hypothesis: There is a better than even chance that either John got the milk, or Bernhard is a frog.
valid_hypothesis: There is a better than even chance that either John got the milk, or Bernhard is a frog.
invalid_hypothesis: Chances are slight that either John got the milk, or Bernhard is a frog.
hypothesis_assertion: Either John got the milk, or Bernhard is a frog.