With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Stone Temple Pilots had an original member that was an American rock vocalist.
text_B: Throughout its history , Toronto has been a city divided into many communities and neighbourhoods .. Toronto. Toronto. As the city has grown , new neighbourhoods have been created out of primarily agricultural land .. Over time , the neighbourhoods within existing areas have also been altered and rearranged .. The variety and breadth of neighbourhoods within the city has led to the moniker `` the city of neighbourhoods '' .. moniker. Name of Toronto
not_related.