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