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