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