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