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