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