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