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