18630
 Given his voting record Congressional Quarterly ratings show he voted with his party 92 percent of the time in 2005 and with Mr. Bush 95 percent of the time Mr. Santorum 's ultimate challenge may come in the Philadelphia suburbs in southeastern Pennsylvania , home to many socially moderate Republicans and independents . 
 location contains: Pennsylvania, Philadelphia
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:
 location contains: Pennsylvania, Philadelphia