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