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After an interlude in El Salvador , spent in the company of the poet Roque Dalton and the guerrillas of the Farabundo Marti National Liberation Front , he returned to Mexico living as a bohemian poet and literary enfant terrible -- '' a professional provocateur feared at all the publishing houses even though he was a nobody , bursting into literary presentations and readings , '' his editor , Jorge Herralde , recalled .
 nationality: Roque Dalton, El Salvador
Given options, please tell me the relationships of all the listed entity pairs.Output format is "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} 
 Entity Pairs:  Roque Dalton, El Salvador 
Answer:
 nationality: Roque Dalton, El Salvador