With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Hawaii is a county.
text_B: Wooden Coaster - Fireball -LRB- Chinese  : 谷木游龙 -RRB- is a wooden roller coaster located at Happy Valley in Songjiang , Shanghai , China .. wooden roller coaster. wooden roller coaster. Happy Valley. Happy Valley ( amusement parks ). Songjiang. Songjiang District. Shanghai. Shanghai. China. China. The coaster was designed by American wooden coaster designers The Gravity Group and manufactured by Martin & Vleminckx .. The Gravity Group. The Gravity Group. Martin & Vleminckx. Martin & Vleminckx. It opened on August 16 , 2009 as China 's first wooden roller coaster .. wooden roller coaster. wooden roller coaster. China. China
not_related.