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