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