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