This paper responds to the claim of Veale, O’Donoghue and Keane (1995) that SME (Falkenhainer, Forbus & Gentner, 1989; Forbus, Ferguson & Gentner, 1994) performs poorly on noun-noun comparisons, such as A surgeon is like a butcher. Veale et al. argue that such noun-noun comparisons involve “object-centered representations” that do not contain higher-order relations, and that Sapper’s chaining o...