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