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