context: It is unlikely that Lily is gray. Chances are about even that John got the football. It is probably the case that Brian is green.
hypothesis: We doubt that brian is green, or John got the football.
valid_hypothesis: There is a very good chance that brian is green, or John got the football.
invalid_hypothesis: We doubt that brian is green, or John got the football.
hypothesis_assertion: Brian is green, or John got the football.