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