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