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