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