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