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