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