5
Nearly 2000 traveling merchants from 42 countries and regions , such as Japan , South Korea , Pakistan , the US , Hong Kong , Taiwan , etc . came to the meeting to negotiate on trade deals .
 geographical social political: 42 countries and regions , such as Japan , South Korea , Pakistan , the US , Hong Kong , Taiwan , etc; geographical social political: Japan; geographical social political: South Korea; geographical social political: Pakistan; geographical social political: the US; geographical social political: Hong Kong; geographical social political: Taiwan; geographical social political: etc; person: Nearly 2000 traveling merchants from 42 countries and regions , such as Japan , South Korea , Pakistan , the US , Hong Kong , Taiwan , etc
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: geographical social political, organization, person, location, facility, vehicle, weapon 
Text: {0} 
Answer:
 geographical social political: 42 countries and regions , such as Japan , South Korea , Pakistan , the US , Hong Kong , Taiwan , etc; geographical social political: Japan; geographical social political: South Korea; geographical social political: Pakistan; geographical social political: the US; geographical social political: Hong Kong; geographical social political: Taiwan; geographical social political: etc; person: Nearly 2000 traveling merchants from 42 countries and regions , such as Japan , South Korea , Pakistan , the US , Hong Kong , Taiwan , etc