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