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