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