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