Your goal is to find the secret four-color code. The following colors are possible: black, purple, red, white, pink, green.
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', 'purple', 'white', 'black']. Hint: three colors are in the secret code but in the wrong positions.
Guess: ['black', 'black', 'purple', 'pink']. Hint: three colors are in the correct positions.
Guess: ['black', 'white', 'purple', 'pink']. Hint: two colors are in the correct positions and two colors are in the secret code but in the wrong positions.
A B C D
white, black, purple, pink white, white, red, pink pink, green, black, pink red, purple, black, black