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