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