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