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