With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The brown bear is a river.
text_B: Elections to Liverpool City Council were held on Saturday 1 November 1888 .. Liverpool City Council. Liverpool City Council. One third of the council seats were up for election , the term of office of each councillor being three years .. Eight of the sixteen seats were contested .. After the election , the composition of the council was  :
not_related.