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