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