20536
 Count Lennart Bernadotte , who gave up his royal Swedish title to marry a commoner but gained an Edenic island that he built into a tourist attraction , died on Dec. 21 on Mainau , the island he had gardened in Lake Constance , Germany , for over half a century . 
 location contains: Germany, Lake Constance
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:  Germany, Lake Constance 
Answer:
 location contains: Germany, Lake Constance