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 .
Europe /location/location/contains Romania
Europe /location/location/contains Poland
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