With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Lisbon's surrounding neighborhoods contain a population of 552,700.
text_B: Dutenhofen is the eastmost borough of the city of Wetzlar , Germany .. Wetzlar. Wetzlar. Germany. Germany. It has approximately 3,100 residents -LRB- December 31 , 2005 -RRB- .
not_related.