With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Great Gatsby is a contestant for the Great American Novel.
text_B: Ario Pardee , Jr. -LRB- October 28 , 1839 -- March 16 , 1901 -RRB- was an officer in the Union Army during the American Civil War .. Union. Union ( American Civil War ). Union Army. Union Army. American Civil War. American Civil War. He rose to fame during the Battle of Gettysburg , where he led the defense of a portion of Culp 's Hill on July 3 , 1863 .. Battle of Gettysburg. Battle of Gettysburg. A monument on the Gettysburg Battlefield commemorates the spot as `` Pardee Field . ''. Gettysburg Battlefield. Gettysburg Battlefield. Pardee Field. Pardee Field
not_related.