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