context: We believe that John is in the bathroom. It is likely that Lily is a rhino. Chances are slight that Mary moved to the garden.
hypothesis: It is certain that lily is a rhino, and John is in the bathroom.
valid_hypothesis: Chances are about even that lily is a rhino, and John is in the bathroom.
invalid_hypothesis: It is certain that lily is a rhino, and John is in the bathroom.
hypothesis_assertion: Lily is a rhino, and John is in the bathroom.