context: We believe that John dropped the milk. It is unlikely that Yann is tired. It is almost certain that Lily is gray.
hypothesis: It is probably the case that lily is gray, and John dropped the milk.
valid_hypothesis: It is probably the case that lily is gray, and John dropped the milk.
invalid_hypothesis: It is highly unlikely that lily is gray, and John dropped the milk.
hypothesis_assertion: Lily is gray, and John dropped the milk.