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