With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The University of Nebraska-Lincoln was where Warren Buffett graduated from.
text_B: The Copa Libertadores 1990 was won by Club Olimpia after defeating Barcelona Sporting Club with a 3-1 aggregate in the finals .. Olimpia. Club Olimpia. Barcelona. Barcelona Sporting Club. Club Olimpia. Olimpia Asuncion. Barcelona Sporting Club. Barcelona Sporting Club. One of the players for Olimpia was legendary goalkeeper Ever Hugo Almeida , who retired from professional football the following year .. Olimpia. Club Olimpia. goalkeeper. Goalkeeper ( association football ). Ever Hugo Almeida. Ever Hugo Almeida
not_related.