context: It is almost certain that Bernhard is green. It is almost certain that Julius is white. We doubt that Brian is a frog.
hypothesis: We doubt that brian is a frog, and Bernhard is green.
valid_hypothesis: We doubt that brian is a frog, and Bernhard is green.
invalid_hypothesis: It is almost certain that brian is a frog, and Bernhard is green.
hypothesis_assertion: Brian is a frog, and Bernhard is green.