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