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