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