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