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