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