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