 There are limits to this strategy, however (see Section 5.5.1 on the “inverted spectrum” problem), which seem to leave two options for analytic functionalists: fight — that is, deny that it's coherent to suppose that there are the distinctions that the critics suggest, or switch — that is, embrace another version of functionalism in which the characterizations of mental states, though not conceptual truths, can provide information rich enough to individuate the states in question. To switch, however, would be to give up the benefits (if any) of a theory that offers meaning-preserving translations of our mental state terms.