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