With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Marlon Brando was in a short film.
text_B: The Rhinoceros Party of Canada ran several candidates in the 1984 federal election , none of whom were elected .. Rhinoceros Party of Canada. Rhinoceros Party of Canada ( 1963–1993 ). 1984 federal election. Canadian federal election, 1984. Information about these candidates may be found on this page .. Many candidates chose to appear on the ballot with humorous nicknames .
not_related.