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