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