With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The thing Tessanne Chin is best known for is winning Season 5 of NBC's reality TV singing competition.
text_B: Island Harbour is a constituency of the Anguillan House of Assembly .. Island Harbour. Island Harbour, Anguilla. constituency. constituency. Anguillan House of Assembly. Anguilla. The incumbent is Othlyn Vanterpool of the Anguilla United Front .. Anguilla United Front. Anguilla United Front
not_related.