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: ['purple', 'black', 'green', 'brown']. Hint: one color is in the correct position and one color is in the secret code but in the wrong position.
Guess: ['black', 'black', 'green', 'orange']. Hint: one color is in the correct position and one color is in the secret code but in the wrong position.
Guess: ['brown', 'black', 'black', 'white']. Hint: three colors are in the correct positions.
Guess: ['brown', 'black', 'black', 'black']. Hint: two colors are in the correct positions.
A B C D
brown, green, green, green brown, black, orange, white purple, orange, white, green green, white, black, green