With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Uranus is a dwarf planet.
text_B: The Ambassador Extraordinary and Plenipotentiary of Ukraine to Moldova is the ambassador of Ukraine to Moldova .. Ambassador Extraordinary and Plenipotentiary. Ambassador Extraordinary and Plenipotentiary. ambassador. ambassador. Ukraine. Ukraine. Moldova. Moldova. The current ambassador is Serhiy Pyrozhkov .. Serhiy Pyrozhkov. Serhiy Pyrozhkov. ambassador. ambassador. He assumed the position in 2007 .. The first Ukrainian ambassador to Moldova assumed his post in 1999 , the same year a Ukrainian embassy opened in Chisinau .. ambassador. ambassador. Moldova. Moldova. Chisinau. Chisinau
not_related.