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