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