 Suppose two such spaces, representing distinct sorts of situations, can be viewed as contrasting enrichments of a single generic space representing a more general sort of situation they instantiate in differing and contrasting ways. Concepts or images in the first space correspond to concepts or images in the second if they flesh out the same concept or image in the generic space. One can then construct a fourth blended space deriving some of its representational features from the first input space, some from the second, and still others from general principles of conceptual integration, in hopes that the result may accurately represent—accurately anticipate the structure at a time and behavior over time—of some independently interesting sort of situation. Fauconnier and Turner (2002) offered a general framework for studying blended spaces and the conceptual integration networks that produce them. They envisioned diverse applications of the framework to the study of informal reasoning and the interpretation of ordinary language. One such application was the interpretation of analogical metaphors of the form “X is the Y of Z”—e.g. “Vanity is the quicksand of reason”—a matter Turner explores at length in his (1998).