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