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