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