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