context: There is a better than even chance that Brian is a swan. It is probably not the case that John got the apple. Chances are slight that Julius is green.
hypothesis: It is almost certain that julius is green, and Brian is a swan.
valid_hypothesis: It is highly unlikely that julius is green, and Brian is a swan.
invalid_hypothesis: It is almost certain that julius is green, and Brian is a swan.
hypothesis_assertion: Julius is green, and Brian is a swan.