With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: One Direction's Where We Are Tour grossed more than any other concert tour in 2014.
text_B: Harpoon is a 1948 American adventure film directed and produced by Ewing Scott , and starring John Bromfield in his film debut .. Ewing Scott. Ewing Scott. John Bromfield. John Bromfield. Although described by some sources as a `` documentary '' , it is a fictional feature film shot on location in Alaska .. feature film. feature film. Alaska. Alaska
not_related.