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