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