With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Bruno Mars has his own band.
text_B: Minh Thai -LRB- born 1965 -RRB- is a Vietnamese-American speedcuber .. He was a sixteen-year-old high school student from Los Angeles when he won the first world championship on June 5 , 1982 in Budapest by solving a Rubik 's Cube in 22.95 seconds .. Los Angeles. Los Angeles. Budapest. Budapest. He is also the author of the book The Winning Solution -LRB- 1982 -RRB- , a guide to solving the cube .. Later , Ortega Corners-First Solution Method for Rubik 's Cube is based on Minh Thai 's Winning Solution .
not_related.