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