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