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