Please choose the correct ending to complete the given sentence: Carving jack-o-lanterns: A machine draws a face on a pumpkin. the lights

Ending1: and the paint on the pumpkin flicker. Ending2: turn off and it shows the carved pumpkin turned on. Ending3: flash as children shuffleboard across the pumpkin. Ending4: flash on and off.

Answer format: ending1/ending2/ending3/ending4