With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Colin Firth is a person.
text_B: The Finn was a sailing event on the Sailing at the 1988 Summer Olympics program in Pusan , South Korea .. Finn. Finn ( dinghy ). Sailing at the 1988 Summer Olympics. Sailing at the 1988 Summer Olympics. Pusan. Pusan. South Korea. South Korea. Seven races were scheduled .. 33 sailors , on 33 boats , from 33 nations competed .
not_related.