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