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