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