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