Your goal is to find the secret four-color code. The following colors are possible: black, pink, green, purple, white, blue.
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: ['black', 'blue', 'white', 'purple']. Hint: three colors are in the secret code but in the wrong positions.
Guess: ['pink', 'black', 'black', 'white']. Hint: three colors are in the secret code but in the wrong positions.
Guess: ['purple', 'white', 'pink', 'black']. 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
white, pink, blue, black purple, white, black, blue white, black, white, pink black, black, pink, pink