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