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