472
 The promotion came a day after Southwest 's archrival in Dallas , American Airlines , gave away 20,000 vouchers for round-trip tickets between Love Field and Austin , Tex. ; San Antonio ; Kansas City ; or St. Louis as a promotion for the Dallas Mavericks of the National Basketball Association . 
 neighborhood of: Love Field, Dallas
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: 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} 
Answer:
 neighborhood of: Love Field, Dallas