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