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