With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Romelu Lukaku was in at least two tournaments.
text_B: An antipropulsive is a drug used in the treatment of diarrhea .. diarrhea. diarrhea. It does not address the underlying cause -LRB- for example , infection or malabsorption -RRB- , but it does decrease motility .. Examples include diphenoxylate , loperamide , and eluxadoline .. diphenoxylate. diphenoxylate. loperamide. loperamide. eluxadoline. eluxadoline
not_related.