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