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