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