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