context: Chances are slight that Julius is a swan. Chances are about even that Brian is green. It is impossible that Lily is a frog.
hypothesis: It is highly likely that julius is a swan, and Brian is green.
valid_hypothesis: It is highly unlikely that julius is a swan, and Brian is green.
invalid_hypothesis: It is highly likely that julius is a swan, and Brian is green.
hypothesis_assertion: Julius is a swan, and Brian is green.