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