context: It is probable that Julius is gray. It is certain that Bernhard is green. There is a better than even chance that Greg is a lion.
hypothesis: It is certain that greg is a lion, or Bernhard is green.
valid_hypothesis: It is certain that greg is a lion, or Bernhard is green.
invalid_hypothesis: We doubt that greg is a lion, or Bernhard is green.
hypothesis_assertion: Greg is a lion, or Bernhard is green.