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