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