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