7981
 Calpine was hurt by the California energy crisis , which sent prices soaring after the company locked itself into long-term contracts , and by the collapse of Enron , which provided much of the liquidity in electricity-trading markets . 
 California, Calpine
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:
 California, Calpine