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