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