Test set 1: Gypsy is present TomServo is absent CrowTRobot is absent Cambot is present Test set 2: R2D2 is absent C3PO is absent Test set 3: Q is absent Test set 4: Data is present Test set 5: Lor is absent Test set 6: Lor is present Test set 7: Me is present Myself is present I is present Test set 8: 1234567890123456789012345 is absent Test set 9: 1234567890123456789012345 is absent