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