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