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