With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: David Thewlis is an American storyteller.
text_B: The Plateau-Mont-Royal borough council is the local governing body of Plateau-Mont-Royal , a borough in the City of Montreal .. Plateau-Mont-Royal. Plateau-Mont-Royal. City of Montreal. City of Montreal. The council consists of seven members  : the borough mayor -LRB- who also serves as a Montreal city councillor -RRB- , city council representatives for each of the borough 's three electoral districts , and borough council representatives for the same three districts .. The borough is a stronghold for Projet Montreal .. Projet Montreal. Projet Montreal
not_related.