Premise: North Korea . To the north and northwest the country is bordered by China and by Russia along the Amnok ( known as the Yalu in China ) and Tumen rivers ; it is bordered to the south by South Korea , with the heavily fortified Korean Demilitarized Zone ( DMZ ) separating the two .
Hypothesis: North Korea is divided from South Korea by the Korean Demilitarized Zone.
Label: ENTAILMENT