15715
 The headdress , of 400 quetzal feathers and gold melted down long ago , was sent to Europe by Spanish conquerors in the 1520 's and has long been a matter of contention between Mexico and Austria . 
 location contains: Europe, Austria
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, Austria 
Answer:
 location contains: Europe, Austria