With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Derrick Rose is a professional basketball player.
text_B: The Man Whose Teeth Were All Exactly Alike is a realist , non-science fiction novel authored by Philip K. Dick .. Philip K. Dick. Philip K. Dick. science fiction. science fiction. Originally completed in 1960 , this book was initially rejected by potential publishers , and posthumously published by a small press in 1984 , two years after Dick 's death .
not_related.