With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Lyndon B. Johnson signed the Voting Rights Act into law in 1965.
text_B: Marcus Rowland may refer to  :. Marcus Rowland -LRB- author -RRB- -LRB- born 1953 -RRB- , British author. Marcus Rowland -LRB- athlete -RRB- -LRB- born 1990 -RRB- , American athlete
not_related.