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