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