With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Volleyball teams are separated by a ten foot net.
text_B: Pal Benko -LRB- Benko Pal born July 14 , 1928 -RRB- is a chess grandmaster , author , and composer of endgame studies and chess problems .. chess. chess. grandmaster. International Grandmaster. composer. chess composer. endgame studies. endgame study
not_related.