With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Spider-Man: Homecoming is leased by J.K. Rowling.
text_B: Tom Jones -LRB- November 28 , 1916 -- October 1984 -RRB- was an American long-distance runner .. long-distance runner. long-distance track event. He competed in the marathon at the 1952 Summer Olympics .. marathon. Athletics at the 1952 Summer Olympics – Men's marathon. 1952 Summer Olympics. 1952 Summer Olympics
not_related.