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