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