Your goal is to find the secret four-color code. The following colors are possible: purple, yellow, white, pink, green, red.
Some guesses have already been made. I will provide feedback for each guess made with which it is possible to unambigiously determine the secret code.

Previous Guesses:
Guess: ['red', 'white', 'yellow', 'purple']. Hint: one color is in the correct position and two colors are in the secret code but in the wrong position.
Guess: ['purple', 'yellow', 'yellow', 'pink']. Hint: one color is in the correct position and one color is in the secret code but in the wrong position.
Guess: ['purple', 'yellow', 'green', 'yellow']. Hint: one color is in the correct position.
Guess: ['purple', 'white', 'pink', 'red']. Hint: one color is in the correct position and two colors are in the secret code but in the wrong position.
A B C D
green, purple, green, purple red, pink, green, white red, yellow, pink, white red, pink, pink, red