context: There is almost no chance that Sandra got the apple. It is likely that Julius is gray. It is probable that Bernhard is green.
hypothesis: It is impossible that julius is gray, and Bernhard is green.
valid_hypothesis: Chances are about even that julius is gray, and Bernhard is green.
invalid_hypothesis: It is impossible that julius is gray, and Bernhard is green.
hypothesis_assertion: Julius is gray, and Bernhard is green.