With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Elementary is a movie.
text_B: Classic is the second compilation and sixth album overall by hip hop duo Eric B. & Rakim , one of the titles of the European version of Universal Music Group 's Millennium Masters series .. Eric B. & Rakim. Eric B. & Rakim. Universal Music Group. Universal Music Group. Despite being an Eric B. & Rakim album , the back cover featured Eric B. with Chuck D. because of an editing error .. Eric B. & Rakim. Eric B. & Rakim
not_related.