With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Tom Hardy has appeared in only one film directed by Christopher Nolan.
text_B: Henry John Southern -LRB- born 1806 , Sheffield ; details of death unknown -RRB- was an English cricketer who was associated with Sheffield Cricket Club and made his first-class debut in 1828 .. Sheffield. Sheffield. Sheffield Cricket Club. Sheffield Cricket Club. first-class. first-class cricket
not_related.