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