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