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