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