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