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