context: It is highly likely that Brian is green. Chances are slight that Bernhard is a frog. It is certain that John left the football.
hypothesis: Chances are slight that brian is green, and Bernhard is a frog.
valid_hypothesis: Chances are slight that brian is green, and Bernhard is a frog.
invalid_hypothesis: There is a better than even chance that brian is green, and Bernhard is a frog.
hypothesis_assertion: Brian is green, and Bernhard is a frog.