With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Rain Man won an Oscar for Best American Actor.
text_B: Dave Carpender -LRB- born 23 January 1950 , Berkeley , California , died 26 September 2007 -RRB- was the guitarist for The Greg Kihn Band from 1976 to 1983 .. Berkeley. Berkeley, California. California. California. The Greg Kihn Band. The Greg Kihn Band. They had a # 2 US  /  # 63 UK hit in 1983 with ` Jeopardy ' and a # 15 US hit in 1981 with ` The Breakup Song -LRB- They Do n't Write 'Em -RRB- ' .. He died of heart failure in 2007 .
not_related.