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