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