Jaiden once loved going to the doctor's office because the doctor always gave him a sticker. However, the last three times he has gone, the doctor has given him shots that hurt and make him cry with pain. Now when the doctor hands him the sticker he begins to scream. Identify the elements of classical conditioning below.

1) UCS
2) UCR
3) CS
4) CR
5) NS

A) Shot
B) Sticker (Before the Conditioning)
C) Sticker (After the Conditioning)
D) Screaming in Pain
E) Scream

Match the letters and numbers for each component.