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