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