With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Peggy Sue Got Married starred a koala.
text_B: Alfstedt is a municipality in the district of Rotenburg , in Lower Saxony , Germany .. district of Rotenburg. Rotenburg ( district ). Lower Saxony. Lower Saxony. Germany. Germany. Alfstedt belonged to the Prince-Archbishopric of Bremen , established in 1180 .. Prince-Archbishopric of Bremen. Archdiocese of Bremen. In 1648 the Prince-Archbishopric was transformed into the Duchy of Bremen , which at first was ruled in personal union by the Swedish Crown - interrupted by a Danish occupation -LRB- 1712-1715 -RRB- - and from 1715 on by the Hanoverian Crown .. Duchy of Bremen. Duchy of Bremen. personal union. personal union. Hanoverian. House of Hanover. In 1807 the ephemeral Kingdom of Westphalia annexed the Duchy , before France annexed it in 1810 .. Kingdom of Westphalia. Kingdom of Westphalia. France. First French Empire. In 1813 the Duchy was restored to the Electorate of Hanover , which - after its upgrade to the Kingdom of Hanover in 1814 - incorporated the Duchy in a real union and the Ducal territory , including Alfstedt , became part of the new Stade Region , established in 1823 .. Electorate of Hanover. Electorate of Hanover. Kingdom of Hanover. Kingdom of Hanover. real union. real union. Stade Region. Stade ( region )
not_related.