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