Relational categories have been the focus of much recent research (Asmuth &Gentner, 2017; Gentner, 2005; Gentner & Kurtz, 2005; Goldwater & Markman, 2011;Markman & Stilwell, 2001; Ross & Murphy, 1999), in part because of their importantrole in conceptual learning and education (Goldwater & Schalk, 2016).