context: It is impossible that Bernhard is green. Chances are about even that Julius is a frog. Chances are slight that Daniel took the apple. Chances are about even that if Daniel took the apple, or Bernhard is green, then Greg is a lion. It is probable that if Julius is a frog, or Daniel took the apple, then Mary grabbed the milk. It is probably not the case that if Bernhard is green, or Daniel took the apple, then Lily is gray.
hypothesis: It is certain that lily is gray, and Julius is a frog.
valid_hypothesis: There is almost no chance that lily is gray, and Julius is a frog.
invalid_hypothesis: It is certain that lily is gray, and Julius is a frog.
hypothesis_assertion: Lily is gray, and Julius is a frog.