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