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