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