id	keyword
issue-213	coal
issue-213	mines
issue-213	ukraine
issue-213	production
issue-213	state
issue-213	uah
issue-213	donbas
issue-213	business
issue-213	enterprises
issue-213	mining
issue-213	region
issue-213	dnr
issue-213	bootleg
issue-213	economic
issue-213	economy
issue-213	donetsk
issue-213	tons
issue-213	plant
issue-213	work