Speaker: Like many contemporary critics, Smith argues that the true meaning of an author' s statements can be understood only through insight into the author' s social circumstances. But this same line of analysis can be applied to Smith' s own words. Thus, if she is right we should be able, at least in part, to discern from Smith' s social circumstances the "true meaning" of Smith' s statements. This, in turn, suggests that Smith herself is not aware of the true meaning of her own words. The speaker's main conclusion logically follows if which one of the following is assumed? ['There is just one meaning that Smith intends her work to have.', "Smith's theory about the relation of social circumstances to the understanding of meaning lacks insight.", 'Smith lacks insight into her own social circumstances.', "The intended meaning of an author's work is not always good evidence of its true meaning."]