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