Question: Which Korean department store chain, together with Hyundai and the Korean named "New World" chains, makes up the three major department store chains in South Korea?
Sentence (from "Gus Blass Department Store"): The Blass Department Store was for many years the city's largest department store, and remained in business here into the 1970s, ultimately becoming a part of the Dillard's department store chain before closing in 1972.
Relevant evidence: No