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