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