With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Paramore's deluxe edition came out in Sweden.
text_B: Marginal man or marginal man theory is a sociological concept first developed by sociologists Robert Ezra Park -LRB- 1864 -- 1944 -RRB- and Everett Stonequist -LRB- 1901 -- 1979 -RRB- to explain how an individual suspended between two cultural realities may struggle to establish his or her identity .. sociological. sociology. Robert Ezra Park. Robert Ezra Park. Everett Stonequist. Everett Stonequist
not_related.