With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Little Boy was dropped during the Louisiana Purchase.
text_B: Franco Lopez -LRB- 1 April 1998 -RRB- is an Argentine footballer who plays as a striker for River Plate .. River Plate. Club Atletico River Plate. footballer. association football. striker. Striker ( association football )
not_related.