8240
Some experts say the new port could eventually help Shanghai overtake Hong Kong as the world 's biggest container shipping port , while also posing new challenges to Singapore and Busan , South Korea , two of Asia 's leading trans-shipment hubs . ''
 location contains: Asia, South Korea; location contains: Asia, Singapore; location contains: Asia, Hong Kong; country of administrative divisions: South Korea, Busan; location contains: South Korea, Busan; administrative division of country: Busan, South Korea
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: 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:
 location contains: Asia, South Korea; location contains: Asia, Singapore; location contains: Asia, Hong Kong; country of administrative divisions: South Korea, Busan; location contains: South Korea, Busan; administrative division of country: Busan, South Korea