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