With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Tardigrades are also known as water bears.
text_B: George John II -LRB- German  : Georg Johann II . -RRB-. -LRB- 24 June 1586 -- 29 September 1654 -RRB- was the co-Duke of Veldenz from 1592 until 1598 and the Duke of Guttenberg from 1598 until 1611 , and the Duke of Lutzelstein-Guttenberg from 1611 until 1654 .. co-Duke of Veldenz. Palatinate-Veldenz. Duke of Guttenberg. Palatinate-Guttenberg. Duke of Lutzelstein-Guttenberg. Palatinate-Lutzelstein-Guttenberg
not_related.