Okinawa Island
is the largest of the Okinawa Islands and the Ryukyu ( "Nansei" ) Islands of Japan in the Kyushu region . 
<triplet> Okinawa Islands <subj> Japan <obj> country <triplet> Ryukyu <subj> Okinawa Islands <obj> has part <triplet> Kyushu <subj> Japan <obj> country