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