context: It is impossible that Mary moved to the garden. We believe that Lily is a rhino. It is highly likely that Greg is gray.
hypothesis: It is impossible that mary moved to the garden, and Greg is gray.
valid_hypothesis: It is impossible that mary moved to the garden, and Greg is gray.
invalid_hypothesis: It is almost certain that mary moved to the garden, and Greg is gray.
hypothesis_assertion: Mary moved to the garden, and Greg is gray.