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