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