context: We believe that Daniel got the milk. There is little chance that John left the football. It is certain that Bernhard is a swan.
hypothesis: It is certain that daniel got the milk, or Bernhard is a swan.
valid_hypothesis: It is certain that daniel got the milk, or Bernhard is a swan.
invalid_hypothesis: There is almost no chance that daniel got the milk, or Bernhard is a swan.
hypothesis_assertion: Daniel got the milk, or Bernhard is a swan.