With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: In Berlin, the Prussian Academy of Sciences was established.
text_B: Pelliceira is one of eleven parishes -LRB- administrative divisions -RRB- in the municipality of Ibias , within the province and autonomous community of Asturias , in northern Spain .. Spain. Spain. Asturias. Asturias. Ibias. Ibias. municipality. municipality. autonomous community. autonomous communities of Spain
not_related.