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