51322
The stampede to what developers bill as the last best place near Seoul is propelled by the pressure of nearly 50 million people squeezed into South Korea , a country smaller than Virginia , and by an economy that looks to cap costs and compete with China .
 Seoul, South Korea; South Korea, Seoul; South Korea, Seoul; South Korea, Seoul
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: ethnicity, place lived, geographic distribution, company industry, country of administrative divisions, administrative division of country, location contains, person of company, profession, ethnicity of people, company shareholder among major shareholders, sports team of location, religion, neighborhood of, company major shareholders, place of death, nationality, children, company founders, company founded place, country of capital, company advisors, sports team location of teams, place of birth 
Text: {0} 
Answer:
 Seoul, South Korea; South Korea, Seoul; South Korea, Seoul; South Korea, Seoul