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