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