context: It is probably not the case that Bernhard is yellow. Chances are slight that Brian is a rhino. It is almost certain that John took the football.
hypothesis: It is probably not the case that brian is a rhino, or Bernhard is yellow.
valid_hypothesis: It is probably not the case that brian is a rhino, or Bernhard is yellow.
invalid_hypothesis: It is probably the case that brian is a rhino, or Bernhard is yellow.
hypothesis_assertion: Brian is a rhino, or Bernhard is yellow.