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