With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Denmark's enemy is Margrethe II.
text_B: `` Bully '' is the lead single from American rock band Shinedown 's fourth studio album , Amaryllis .. Shinedown. Shinedown. Amaryllis. Amaryllis ( Shinedown album ). rock. Rock music
not_related.