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