With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Robin Thicke has worked with Kid Cudi on Pursuit of Happiness.
text_B: Roy Campling -LRB- 3 April 1892 -- 21 April 1977 -RRB- was an Australian cricketer .. He played three first-class matches for New South Wales in 1922 / 23 .. first-class. first-class cricket. New South Wales. New South Wales cricket team
not_related.