19534
 Today , what Prague and London were in the 90 's , Berlin has now become : a magnet for anyone who wants to live and work in a city that is humming with cultural energy and , by contrast with the rest of northern Europe , an insane bargain . 
 location contains: Europe, Berlin
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:  Europe, Berlin 
Answer:
 location contains: Europe, Berlin