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