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