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