With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The United States is the base of Lexmark.
text_B: Douglas B. Green -LRB- born March 20 , 1946 -RRB- , better known by his stage name Ranger Doug , is an American musician , arranger and award-winning Western music songwriter , best known for his work with Western music and the group Riders in the Sky in which he plays guitar and sings lead and baritone vocals .. guitar. guitar. Riders in the Sky. Riders in the Sky ( band ). American. United States. Western music. Western music ( North America ). baritone. baritone. He is also an exceptionally accomplished yodeler .. yodeler. yodeling. With the Riders , he is billed as `` Ranger Doug -- The Idol of American Youth '' and `` Governor of the Great State of Rhythm '' .. American. United States
not_related.