With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The OA was renewed for another season.
text_B: The FIM Motocross Junior World Championship is a motorcross championship for younger riders , inaugurated in 2004 , and is a feeder series to the FIM Motocross World Championship .. Motocross. Motocross. FIM Motocross World Championship. FIM Motocross World Championship
not_related.