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