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