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