With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Muhammad was persecuted by some Meccan groups.
text_B: `` Take It to the Limit '' is a song by German eurodance group Centory .. Centory. Centory ( band ). eurodance. eurodance. It was released on 28 October 1994 as the second single from their only album Alpha Centory and was a notable hit in Europe .. Centory. Centory ( band )
not_related.