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