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