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