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