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In the center of Leipzig , a major thoroughfare named for Karl Liebknecht -- the Leipzig-born Marxist revolutionist who was executed in 1919 -- throbs with sleek , packed restaurants serving caipirinhas and arugula salads .
 place of birth: Karl Liebknecht, Leipzig
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:
 place of birth: Karl Liebknecht, Leipzig