context: There is little chance that Brian is a lion. There is almost no chance that Lily is gray. It is probable that Julius is white. It is highly likely that if either Julius is white, or Lily is gray, then Greg is a frog. There is almost no chance that if either Lily is gray, or Brian is a lion, then Daniel dropped the milk. It is certain that if either Brian is a lion, or Lily is gray, then Mary put down the apple.
hypothesis: It is certain that julius is white, and Lily is gray.
valid_hypothesis: There is almost no chance that julius is white, and Lily is gray.
invalid_hypothesis: It is certain that julius is white, and Lily is gray.
hypothesis_assertion: Julius is white, and Lily is gray.