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