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