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