With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Mr. Nobody is a science fiction drama film.
text_B: Clarence Adam Vinson -LRB- born July 10 , 1978 in Washington , D.C. -RRB- is an American boxer .. American. United States. boxer. boxing. Nicknamed `` Untouchable '' , Vinson won the bantamweight bronze medal at the 2000 Summer Olympics .. bantamweight bronze medal. Olympic medalists in boxing. 2000 Summer Olympics. 2000 Summer Olympics
not_related.