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