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