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