With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: London was originally a settlement named Londinium by the Romans in the year 43.
text_B: This is a list of high schools in the Western Cape province of South Africa , divided by education district and ownership status .. Western Cape. Western Cape. South Africa. South Africa. education district. Western Cape Education Department#Structure
not_related.