With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: South Park is from North America.
text_B: Igor Pesic -LRB- Игор Пешић born 6 October 1982 -RRB- is a Serbian football defender .. Serbian. Serbs. football. Association football. defender. Defender ( association football )
not_related.