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 Halliburton , the nation 's largest energy and military-services company , plans to cease dealings in Iran when it completes its present commitments , David J. Lesar , Halliburton 's chief executive , told investors on a conference call . 
 company: David J. Lesar, Halliburton
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: nationality, country capital, place of death, children, location contains, place of birth, place lived, administrative division of country, country of administrative divisions, company, neighborhood of, company founders 
Text: {0} 
 Entity Pairs:  David J. Lesar, Halliburton 
Answer:
 company: David J. Lesar, Halliburton