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