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