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