19406
 But evidence that European governments have been involved or that detainees were interrogated in Europe remains oblique and circumstantial , consisting primarily of flight logs for planes used by the C.I.A. Such records show , for example , that a Boeing 737 operated by a C.I.A.-linked company and suspected of being used to transport detainees made stops in Poland and Romania in 2003 and 2004 . 
 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: 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, Poland 
Answer:
 location contains: Europe, Poland