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