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