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