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