1536
 In a small town on the Pine Ridge Indian Reservation in South Dakota , the poorest and one of the largest reservations in the country , Larry Pourier , a film producer , is working on a healthier fast food . 
 location contains: South Dakota, Pine Ridge Indian Reservation
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: South Dakota, Pine Ridge Indian Reservation