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