With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Mark Romanek only worked in the medical field.
text_B: Onil Doiron was a Canadian politician .. He served in the Legislative Assembly of New Brunswick from 1974 to 1982 , as a Liberal member for the constituency of Caraquet .. Caraquet. Caraquet. New Brunswick. New Brunswick. Legislative Assembly of New Brunswick. Legislative Assembly of New Brunswick
not_related.