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