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