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