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