7070
Saving a few hundred dollars a month means we can put more money into marketing and advertising , '' said Mr. Fortgang , whose company , North America Duty Free , also has offices in Miami , Sherman Oaks , Calif. , Puerto Rico and Rotterdam , the Netherlands . ''
 location contains: Netherlands, Rotterdam
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: ethnicity, place lived, geographic distribution, company industry, country of administrative divisions, administrative division of country, location contains, person of company, profession, ethnicity of people, company shareholder among major shareholders, sports team of location, religion, neighborhood of, company major shareholders, place of death, nationality, children, company founders, company founded place, country of capital, company advisors, sports team location of teams, place of birth 
Text: {0} 
 Entity Pairs:  Netherlands, Rotterdam 
Answer:
 location contains: Netherlands, Rotterdam