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