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