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