11982
 In 2005 , one of the warmest years on record in South Dakota , plague wiped out hundreds , perhaps thousands , of acres of black-tailed prairie dogs 38 miles south of here on the Pine Ridge Indian Reservation , where there are no ferrets . 
 location contains: South Dakota, Pine Ridge Indian Reservation
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:  South Dakota, Pine Ridge Indian Reservation 
Answer:
 location contains: South Dakota, Pine Ridge Indian Reservation