context: There is a very good chance that Bill left the milk. It is impossible that Julius is a lion. It is certain that Lily is gray.
hypothesis: It is impossible that bill left the milk, or Lily is gray.
valid_hypothesis: It is certain that bill left the milk, or Lily is gray.
invalid_hypothesis: It is impossible that bill left the milk, or Lily is gray.
hypothesis_assertion: Bill left the milk, or Lily is gray.