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