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