context: It is probably not the case that Brian is green. There is a better than even chance that Lily is yellow. It is impossible that Greg is a swan.
hypothesis: It is likely that lily is yellow, or Brian is green.
valid_hypothesis: It is likely that lily is yellow, or Brian is green.
invalid_hypothesis: Chances are slight that lily is yellow, or Brian is green.
hypothesis_assertion: Lily is yellow, or Brian is green.