context: There is a very good chance that Julius is green. There is almost no chance that Bernhard is a swan. It is highly likely that Fred left the football.
hypothesis: It is impossible that julius is green, or Fred left the football.
valid_hypothesis: It is certain that julius is green, or Fred left the football.
invalid_hypothesis: It is impossible that julius is green, or Fred left the football.
hypothesis_assertion: Julius is green, or Fred left the football.