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