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