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