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