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