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