context: It is almost certain that Brian is yellow. There is almost no chance that John went to the office. It is improbable that Bernhard is gray.
hypothesis: It is almost certain that brian is yellow, or Bernhard is gray.
valid_hypothesis: It is almost certain that brian is yellow, or Bernhard is gray.
invalid_hypothesis: Chances are about even that brian is yellow, or Bernhard is gray.
hypothesis_assertion: Brian is yellow, or Bernhard is gray.