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