With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Robert Duvall received the National Medal of Arts in June of 2005.
text_B: Split Personality is the fifth studio album by All-4-One .. All-4-One. All-4-One. It was exclusively released in Japan on May 31 , 2004 and features the single `` Someone Who Lives In Your Heart . ''
not_related.