With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Robin Thicke has worked with Usher.
text_B: Robin Charles Thicke -LRB- born March 10 , 1977 -RRB- is an American singer , songwriter and record producer .. American. United States. Thicke has worked with several artists , such as Christina Aguilera , Nicki Minaj , K. Michelle , Pharrell Williams , Usher , Jennifer Hudson , Flo Rida , Brandy , Kid Cudi and Mary J. Blige , among others .. Pharrell Williams. Pharrell Williams. Flo Rida. Flo Rida. Christina Aguilera. Christina Aguilera. Nicki Minaj. Nicki Minaj. K. Michelle. K. Michelle. Usher. Usher ( entertainer ). Jennifer Hudson. Jennifer Hudson. Brandy. Brandy Norwood. Kid Cudi. Kid Cudi. Mary J. Blige. Mary J. Blige. Thicke worked on albums such as Usher 's Confessions and Lil Wayne 's Tha Carter III , while releasing his own R&B singles in the US including `` Lost Without U '' , `` Magic '' , and `` Sex Therapy '' .. American nationality law. R&B. Contemporary R&B. Lil Wayne. Lil Wayne. Usher. Usher ( entertainer ). Confessions. Confessions ( Usher album ). Tha Carter III. Tha Carter III. Lost Without U. Lost Without U. Magic. Magic ( Robin Thicke song ). Sex Therapy. Sex Therapy ( song ). He rose to international fame in 2013 with his single `` Blurred Lines '' , which reached number one on the US Billboard Hot 100 .. American nationality law. Blurred Lines. Blurred Lines. He is the son of actor Alan Thicke and actress Gloria Loring and known for his former marriage to actress Paula Patton .. Paula Patton. Paula Patton. Alan Thicke. Alan Thicke. Gloria Loring. Gloria Loring. In 2013 and 2014 , their separation and divorce was covered extensively by the tabloid press including Thicke 's efforts to reconcile with Patton .. tabloid press. tabloid press
related.