50849
The rejection could signal an abrupt halt to the expansion and unification of Europe , a process that has been met with growing disillusionment among the wealthier European Union members as needier countries like Bulgaria and Poland have negotiated their entry .
 location contains: Europe, Bulgaria; location contains: Europe, Poland
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:  Europe, Bulgaria; Europe, Poland 
Answer:
 location contains: Europe, Bulgaria; location contains: Europe, Poland