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