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