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