26482
 Once exploration was over and drilling had begun in other Alaska oil facilities , like the Alpine field west of Prudhoe Bay , the concept of '' roadless '' became more fungible as gravel roads were constructed within the sites . 
 Alaska, Prudhoe Bay
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; 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:
 Alaska, Prudhoe Bay