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