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