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