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