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