id	keyword
ca-2449	mines
ca-2449	dmz
ca-2449	korean
ca-2449	south
ca-2449	military
ca-2449	landmines
ca-2449	war
ca-2449	residents
ca-2449	state
ca-2449	human
ca-2449	lee
ca-2449	nature
ca-2449	u.s
ca-2449	agency
ca-2449	area
ca-2449	people
ca-2449	ccz
ca-2449	cheongjeon
ca-2449	rogue
ca-2449	kim
ca-2449	border
ca-2449	victims