context: There is a better than even chance that Brian is a rhino. It is almost certain that Greg is a swan. We believe that Julius is a frog. It is probable that if either Greg is a swan, or Julius is a frog, then Lily is green. It is certain that if Greg is a swan, and Julius is a frog, then Mary moved to the garden. Chances are slight that if Greg is a swan, and Brian is a rhino, then Emily is a mouse.
hypothesis: It is impossible that lily is green, and Mary moved to the garden.
valid_hypothesis: It is impossible that lily is green, and Mary moved to the garden.
invalid_hypothesis: It is highly likely that lily is green, and Mary moved to the garden.
hypothesis_assertion: Lily is green, and Mary moved to the garden.