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