With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Wyatt Earp took part in the wagering of "the stakes" and he was American.
text_B: The 2016 -- 17 Tchadense season are in the island division of football -LRB- soccer -RRB- and is their current season .. Tchadense. Tchadense. The club again competes in the Premier Division in two seasons .
not_related.