context: We doubt that Bernhard is yellow. It is almost certain that John went to the kitchen. It is certain that Brian is a lion.
hypothesis: It is certain that brian is a lion, or Bernhard is yellow.
valid_hypothesis: It is certain that brian is a lion, or Bernhard is yellow.
invalid_hypothesis: We doubt that brian is a lion, or Bernhard is yellow.
hypothesis_assertion: Brian is a lion, or Bernhard is yellow.