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