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