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