With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Lung cancer is an illness.
text_B: Ghost Messenger is a South Korean animated series made by STUDIO ANIMAL .. First released in 2010 , it revolves around a series of events that happen as Ghost Messenger Kanglim -LRB- voiced by SungTae Park -RRB- accidentally meets Little Kanglim -LRB- voiced by EunJung -RRB- , a human boy with extraordinary spiritual power .. It falls under the genres science fiction , fantasy , and supernatural , though STUDIO ANIMAL officially states its genre as ` Oriental SF Fantasy ' .. Fantasy. Fantasy. science fiction. science fiction. fantasy. fantasy. supernatural. supernatural
not_related.