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