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