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