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