Premise: South Korea , officially the Republic of Korea ( ROK ; ) , is a sovereign state in East Asia , constituting the southern part of the Korean Peninsula . Today , it is the world 's seventh largest advanced economy and fifth largest exporter with the G20 's largest budget surplus and highest credit rating of any country in East Asia . Home of Samsung , LG and Hyundai-Kia , South Korea was named the world 's most innovative country for 4 consecutive years since 2014 in the Bloomberg Innovation Index , ranking first in business R&D intensity , manufacturing value-added , patents filed per GDP , second in higher education efficiency and fourth in high-tech density and researcher concentration . A sovereign state is , in international law , a nonphysical juridical entity that is represented by one centralized government that has sovereignty over a geographic area .
Hypothesis: South Korea is a country.
Label: ENTAILMENT