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