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